Answers
Related Questions
Let:
denote actually having COVID19 antibodies (i.e. "ground truth")+
denote notactually having COVID19 antibodies (i.e. "ground truth")~+
denote testing + for COVID19 antibodiesT+
For the Rapid COVID19 test:
= 0.96P(T+|+)
P ) = 0.06(T+|~+
a:Suppose ) = 0.01, what is (2 points)P(+P(+|T+)?
b:Suppose instead that = 0.1, what then is ? (2 points)P(+)P(+|T+)
c:Why does change so much between a) and b)? (2 points)P(+|T+)
Answers
In part a, the probability of actually having COVID19 antibodies, P(+), is very low (i.e. 0.01). Thus, even with a high conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96), the probability of testing positive overall (i.e. P(+|T+)) is still relatively low.
However, in part b, the probability of actually having COVID19 antibodies, P(+), is much higher (i.e. 0.1). This means that even though the conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96) is the same as before
the probability of testing positive overall (i.e. P(+|T+)) is much higher because there are more people who actually have the antibodies. Therefore, the change in P(+|T+) between a) and b) is due to the change in the prior probability P(+), which affects the denominator of the formula for P(+|T+).
To know more about low Visit;
https://brainly.com/question/33281942
#SPJ11
the source material used for your visual aids should be verbally cited in addition to appearing in your slide deck.
Answers
Yes, the source material used for your visual aids should be verbally cited in addition to appearing in your slide deck.
When presenting your visual aids in a presentation, it is important to verbally cite the source material to give credit to the original author(s).This not only acknowledges the source of the information but also makes your presentation more professional and credible.
Additionally, it is a good practice to include a reference list at the end of your presentation to list all the sources you have used in your research.The reference list should be properly formatted according to the citation style required for the presentation.
Properly citing your sources is important to avoid plagiarism and to give credit to the authors of the information used in your presentation. When verbally citing your sources, be sure to mention the author's name, the title of the work, the publication date, and the publisher or website where the work was found.
Thus, it is important to verbally cite the source material used for your visual aids in addition to it appearing in your slide deck.
To learn more about visual aids :
https://brainly.com/question/3610367
#SPJ11
6. Let the hemoglobin levels of healthy men be a random variable, \( \mathrm{X} \). According the National Library of Medicine hemoglobin levels of healthy men are normally distributed with a mean of
Answers
According to the National Library of Medicine, the hemoglobin levels of healthy men are normally distributed with a mean (μ) and a standard deviation (σ). The normal distribution provides a mathematical model to understand the distribution of these hemoglobin levels and make statistical inferences based on their values.
Let's denote the random variable representing the hemoglobin levels of healthy men as X. According to the National Library of Medicine, these hemoglobin levels are normally distributed with a mean (μ) and a standard deviation (σ).
In statistical terms, we can express this as:
X ~ N(μ, σ)
The mean (μ) represents the average hemoglobin level of healthy men. It is the central value around which the distribution is centered. The standard deviation (σ) measures the variability or spread of the hemoglobin levels. A larger standard deviation indicates a wider range of values from the mean.
Being normally distributed means that the values of X follow a bell-shaped curve known as the normal distribution. The normal distribution is symmetrical, with the mean at the center and the probabilities of different values decreasing as we move away from the mean. The shape of the curve is determined by the values of μ and σ.
The normal distribution is a widely used statistical model that allows us to make various predictions and calculations about the hemoglobin levels of healthy men. For example, we can calculate the probability of a man having a hemoglobin level within a certain range or estimate the percentage of men with hemoglobin levels above or below a specific value.
For more such information on: hemoglobin
https://brainly.com/question/11211560
#SPJ8
HELP ME PLZ I NEED THIS ANSWER ASAP!!! Gerri says that spiders use their fangs for the same purpose that crustaceans use their claws. Alana disagrees and says that spiders use their fangs for the same purpose that centipedes use their claws.
Which best explains who is correct?
Alana is correct because spiders use their fangs to inject venom. Centipedes use their claws for this same purpose.
Alana is correct because spiders use their fangs to catch prey. Centipedes use their claws for this same purpose.
Gerri is correct because spiders use their fangs to inject venom. Crustaceans use their claws for this same purpose.
Gerri is correct because spiders use their fangs to catch prey. Crustaceans use their claws for this same purpose.
Answers
Answer:
Alana is correct because spiders use their fangs to inject venom. 100% brainliest?
Explanation:
How will widespread solar panels to generate electricity help reduce global warming
Answers
Answer:
Solar panels fight global warming by producing electricity that keeps us from burning greenhouse gas-producing fossil fuels. They also shade Earth from the sun.
Explanation:
Facultative parasites are more difficult to control than the obligate ones because they:-
A) live in colonies
B) Can change the mode of feeding
C) have many hosts
D) are capsulated
plzzzz answer!
Answers
Can someone please help me? :(
Answers
Answer:
b each cell is able to carry out all functions
How could the use of fossil fuels affect the biodiversity in neighborhoods and the surrounding ecosystems?
Answers
Answer:
The entire process of converting fossil fuels to usable energy creates both direct and indirect impacts on biodiversity. Extraction of fossil fuels through various means such as coal mining, installation of pipelines, and construction of roads leading to the mining site causes direct damage to natural ecosystems
Use the word bank below to fill in the blanks in the next question. Be careful, spelling counts! histone modification genomic conflict genetic maternal effect genomic imprinting environmental maternal effect DNA methylation induced pluripotent stem cells embryonic stem cells
usually inactivates genes, while We discussed two different types of epigenetic marks for "tags") in lecture. can activate or inactivate genes The hypothesis suggests that there are opposing evolutionary pressures on alleles of maternal versus paternal origin with respect to genes that affect early embryonic and fetal growth. Ideally, the cloning of whole organisms flike pets) should involve because these have very few or no epigenetic markers silencing specific genes. are usually used instead because they are easier to obtain, but they retain epigenetic tags that make cloning less successful The phenomenon in which a gene's expression is determined by its parental origin is called
Answers
DNA methylation usually inactivates genes, while histone modification can activate or inactivate genes. Genomic imprinting is the phenomenon in which a gene's expression is determined by its parental origin. Embryonic stem cells are usually used instead of induced pluripotent stem cells in cloning due to the retention of epigenetic tags that make cloning less successful.
DNA methylation plays a role in gene inactivation by adding methyl groups to DNA, while histone modification can activate or inactivate genes by modifying the histone proteins associated with DNA. Genomic imprinting refers to the phenomenon where gene expression is influenced by the parent of origin. In cloning, embryonic stem cells are preferred over induced pluripotent stem cells due to the retention of epigenetic tags that affect gene expression and may impact the success of cloning.
Learn more about: mechanisms and significance of DNA methylation
brainly.com/question/13948680
#SPJ11
Changes in body size or beak shape to avoid competition with another similar species is termed:
a) Mutualism b) Resource partitioning c) Adaptive radiation d) Coevolution
Answers
The Resource partitioning refers to the process in which similar species adapt to avoid competition for limited resources. In the case of changes in body size or beak shape, one species may adapt to feed on a different part of a shared resource.
The lead to a reduction in competition and an increase in the diversity of species within an ecosystem. Adaptive radiation is a process in which a single species evolves into multiple new species that occupy different ecological niches. Coevolution refers to the process in which two or more species evolve in response to each other, often resulting in a close and mutually beneficial relationship. Mutualism refers to a type of symbiotic relationship in which both species benefit from the interaction. Overall, resource partitioning is an important mechanism that allows for the coexistence of multiple species within an ecosystem. By adapting to different niches and resources, species can avoid competition and increase their chances of survival and reproduction.
learn more about Resource partitioning here.
https://brainly.com/question/668308
#SPJ11
what would happen if there was more melting and less freezing at the poles of the earth?
Answers
Answer:
If all of the ice on Antarctica, Greenland, and in mountain glaciers around the globe melted, sea level would increase by approximately 70 meters. (230 feet). The water would engulf all coastal towns. And the land size would be considerably reduced.
Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability of offspring will have red eyes is 100 percent? A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x Upper R and x Upper R. Clockwise, from top-left, the boxes include: Upper X Upper R Upper X r, Upper X Upper R Y, X Upper R Upper Y, X Upper R Upper X r. A Punnett square is shown. The columns are labeled Upper X Upper R and Upper Y. The rows are labeled x Upper R and x r. Clockwise, from top-left, the boxes include: Upper X Upper R Upper X Upper R, Upper X Upper R Upper Y, Upper X r Upper Y, Upper X uppercase Upper R Upper X r. A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x r and x r. Clockwise, from top-left, the boxes include: Upper X r Upper X r, Upper X r Upper Y, Upper X r Upper Y, Upper X r Upper X r. A Punnett square is shown. The columns are labeled Upper X r and Upper Y. The rows are labeled x Upper R and x r. Clockwise, from top-left, the boxes include: Upper X Upper R Upper X r, Upper X Upper R Y, Upper X r Upper Y, Upper X r Upper X r.
Answers
Based on the data provided, the Punnett square cross in which the probability of offspring will have red eyes is 100 percent is YXR × XXR.
What are X-linked traits?X-linked traits are traits that are found in the X-chromosomes.
Assuming Red eye color is XR and yellow eye color is Xr
For 100% red eye colored offspring
Male parent YXR
Female parent XXR
Crossing the offspring
YXR × XXR = YXR , YXR, XXR, XXRAll offspring have red eyes.
Probability of red eyes = 100%
Therefore, the Punnett square cross in which the probability of offspring will have red eyes is 100 percent YXR × XXR.
Learn more about X-linked traits at: https://brainly.com/question/945983
Answer:
the answer is (A)
What are possible advantages for self-pollination to have evolved in a flowering plant species? select all that apply.
Answers
All the options are correct: The advantages of self - pollination include;
the plant species can survive in areas where animal pollinators are absent, the plant species tends to produce offspring that are more uniform compared to offspring resulting from outcrossing and less energy can be spent on attracting pollinator.What is pollination?Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilization and the production of seeds, most often by an animal or by wind.
There are two main types of pollination:
Self pollinationCross pollinationWhat is self pollination?Self-pollination is a form of pollination in which pollen from the same plant arrives at the stigma of a flower or at the ovule.
Advantages of self pollination;The plant species can survive in areas where animal pollinators are absent.The plant species tends to produce offspring that are more uniform compared to offspring resulting from outcrossing.Less energy can be spent on attracting pollinator.Thus, the possible advantages for self-pollination to have evolved in a flowering plant species are; the plant species can survive in areas where animal pollinators are absent and less energy can be spent on attracting pollinator.
Learn more about self pollination here: https://brainly.com/question/19280468
#SPJ1
The complete question is below:
What are possible advantages for self-pollination to have evolved in a flowering plant species? select all that apply.
-The plant species can survive in areas where animal pollinators are absent.
-The plant species tends to produce offspring that are more uniform compared to offspring resulting from outcrossing.
-Less energy can be spent on attracting pollinator.
within a diploid animal species, what are potential sources of variation in shared, heritable traits? select all that apply.
Answers
Fertilization, meiosis, and mutations in the germ line are potential causes of variation in shared, inheritable traits. The correct answer is (A, D, and E).
Mutation, which can result in the creation of completely new alleles in a population, random mating, random fertilization, and recombination between homologous chromosomes during meiosis, which reshuffles alleles within an organism's offspring, are all examples of genetic variation.
Hereditary data is stored in units called genes. Mutations, genetic recombination, and population gene flow are the three primary sources of genetic variation.
Because they are encoded in our DNA, traits that are inherited can be transmitted to subsequent generations. Examples: hair color, height, eye color, and so on.
To learn more about Fertilization here
https://brainly.com/question/3204813
#SPJ4
Q- Within a diploid animal species, what are the potential sources of variation in shared, heritable traits? Select all that apply.
A) Fertilization
B) Mitotic division of somatic cells
C) Genetic engineering of somatic cells
D) Meiosis
E) Mutations in the germ line
definition of compounds
Answers
Answer:
A material made up of two or more substances.
Example: H20 2 hydrogen 1 oxygen
Explanation:
Please give me BRAINLIEST and THANKS lol <(￣︶￣)>
if a chihuahua with short hair has a hidden gene for long hair, it can produce both long-haired and short-haired puppies when bred to a chihuahua with long hair. a family decides that they want to produce chihuahuas with long hair. identify (name) a procedure that could be used to make sure that the puppies all have long hair
Answers
To ensure that all the puppies have long hair when breeding a short-haired Chihuahua with a hidden gene for long hair and a long-haired Chihuahua, the family can use the procedure of "selective breeding."
Step-by-step explanation:
1. Breed the short-haired Chihuahua (with the hidden long hair gene) with the long-haired Chihuahua.
2. Observe the hair length of the resulting puppies.
3. Identify and select the puppies with long hair.
4. Breed only the long-haired offspring in future breeding cycles.
5. Continue this selective breeding process over multiple generations, focusing on breeding only the long-haired dogs.
By following these steps in selective breeding, the family can increase the likelihood of producing Chihuahuas with long hair.
Hence, to ensure that all the puppies have long hair when breeding a short-haired Chihuahua with a hidden gene for long hair and a long-haired Chihuahua, the family can use the procedure of "selective breeding."
To know more about selective breeding, refer here:
https://brainly.com/question/461245#
#SPJ11
3: How is the transfer of bacteria into and out of one person and then into another person similar to or different from how you spread bacteria into and out of one Petri dish and then into another dish?
Answers
Answer:
Bacteria can replicate approximately every 20 minutes by binary fission, which is a simple form of cell division. This level of replication will depend on the availability of nutrients and other suitable conditions, such as temperature.
which hormone functions to maintain pregnancy in mammals?
Answers
The hormone that functions to maintain pregnancy in mammals is progesterone.
It is primarily secreted by the corpus luteum in the ovary during the luteal phase of the menstrual cycle or in response to human chorionic gonadotropin (hCG) produced by the developing placenta after conception. Progesterone is essential for the implantation and maintenance of the early embryo in the uterus, and it helps to prevent the onset of menstruation during pregnancy. The hormone that functions to maintain pregnancy in mammals is called progesterone. Progesterone is produced by the corpus luteum in the ovary after ovulation, and then by the placenta after implantation. Progesterone is essential for the maintenance of the endometrial lining of the uterus, which provides a nourishing environment for the developing embryo or fetus. Progesterone also plays an important role in preparing the breasts for milk production and in suppressing ovulation during pregnancy, which helps prevent another pregnancy from occurring while a woman is already pregnant. In addition, progesterone helps to relax the smooth muscle in the uterus, which helps prevent contractions that could lead to premature labor. Overall, progesterone is a critical hormone for the successful maintenance of pregnancy in mammals.
To know more about mammals,
https://brainly.com/question/15326492
#SPJ11
what is a membrane???????
Answers
Answer:
Membrane is a barrier which protects what comes in and out...
Explanation:
Hope It Helps!!!
A membrane is a thin wall or layer made up of biological substances such as cellulose or lipid.
What is the role of a membrane?A membrane is a thin sheet that protects the cell from the outer environment, and they make a sheet or separation between the cell interior and the exterior.
It helps in the transfer of material from the cell and in the cell and gives the cell structure and rigidity.
Thus, A membrane is a thin wall or layer comprised of cellulose or lipids, which are biological materials.
Learn more about membrane, here:
https://brainly.com/question/18120050
#SPJ5
Lesson 05.01 Evolution
Identify early ideas about evolution
Discuss theories that influenced scientific debate over evolution
Recognize the major sources of evidence for evolution
Recognize the pattern of features that reveal the history of a species
Answers
1. Early ideas about evolution:
Ancient Greek philosophers, such as Empedocles and Anaximander, proposed early ideas about the development and transformation of life forms.In the 18th century, naturalists like Jean-Baptiste Lamarck suggested theories of transmutation, proposing that species could change over time through the inheritance of acquired traits.2. Theories that influenced scientific debate over evolution:
Jean-Baptiste Lamarck's theory of inheritance of acquired characteristics proposed that traits acquired during an organism's lifetime could be passed on to the next generation.Charles Darwin's theory of natural selection, outlined in his book "On the Origin of Species" (1859), suggested that favorable variations in organisms' heritable traits would increase their chances of survival and reproduction, leading to the gradual evolution of species over time.Gregor Mendel's work on inheritance and genetics in the 19th century provided a foundation for understanding how traits are passed on through generations.3. Major sources of evidence for evolution:
Fossil record: Fossils provide evidence of organisms that lived in the past and show the progression and changes in species over time.Comparative anatomy: Similarities and differences in anatomical structures across different species provide evidence of common ancestry and evolutionary relationships.Biogeography: The distribution of species around the world can be explained by evolutionary processes, such as continental drift and the movement of organisms across geographic barriers.Embryology: The study of the development of embryos reveals similarities in early stages among different species, suggesting a common ancestry.Molecular biology: Comparisons of DNA, proteins, and other molecules across different organisms provide evidence of shared genetic information and evolutionary relationships.4. Pattern of features revealing the history of a species:
Phylogenetic relationships: By comparing the characteristics of different species and constructing phylogenetic trees, scientists can infer the evolutionary history and relationships between species.Homologous structures: Similar structures found in different species, such as the forelimbs of vertebrates, suggest a common ancestry and shared evolutionary history.Vestigial structures: Rudimentary or non-functional structures in organisms that serve no purpose but have functional counterparts in other species provide evidence of shared ancestry and evolutionary change.Fossil record: Fossils reveal the succession of different species over time, showing patterns of extinction, appearance, and transformation.These concepts and lines of evidence collectively support the understanding of evolution and provide insights into the history and development of species over millions of years.
Learn more about evolution:
https://brainly.com/question/27748371
Question
What would most likely occur over time if
many of the producers in an ecosystem
were killed by disease?
O Less energy would be available to
consumers at all levels.
O More energy would be available for
new producers.
O Decomposition would slow
dramatically.
O Herbivores would have less food, but
carnivores would not be affected.
Answers
Answer:
A
Explanation:
Less energy would be available
A species of moth has a 2 varieties of wing color: brown and white. As winter approaches, the trees where the moths live loose their leaves. The moth's predators are birds who hunt for the moths as they rest on the dark tree bark. Every moth lays 100 eggs, but only about 10 from each egg cluster live to adulthood. What are the variations in this population?
Answers
Answer:
In this case, the population of moths you're referring to has a number of variations. Here they are:
1. Wing Color Variation: The moths have two phenotypic variations for wing color, brown and white. This is a clear physical trait that can change based on the genetic makeup of the moth.
2. Survival Variation: Out of every 100 eggs laid, only about 10 moths survive to adulthood. This could imply a variation in the fitness or adaptability of the offspring, where only the most fit or adaptable (in terms of avoiding predators, finding food, or handling environmental conditions, for example) survive.
3. Seasonal Environment Variation: The environment where the moths live changes with the seasons. In winter, the trees lose their leaves, which may affect the camouflage ability of the moths depending on their wing color. This is a temporal variation in the environment, which can potentially influence the survival rates of the different moth variations.
4. Predation Variation: The predators of the moths are birds, which hunt for the moths as they rest on the dark tree bark. The level of predation can vary based on factors like the bird population size, hunting efficiency, and the visibility of the moths.
Each of these variations plays a role in the survival and reproduction of the moths and could lead to evolutionary changes in the population over time, especially if certain traits (like wing color) increase the moths' survival and reproductive success.
A truck was carrying a substance in a tank. The molecules of that substance were moving away from each other. The truck parked overnight in a place where energy transferred out of the substance. In the morning, the substance was a gas.
1. Describe how the molecules were moving BEFORE and AFTER the truck was parked overnight
2. Did a phase change occur? Explain why or why not below.
Answers
bob the builder used his magic to make the truck disappear
what would if an aggressive invasive species of fish is introduced ot the pond described in the passage
Answers
In case an aggressive invasive species of fish is presented to the lake depicted within the section, it might have a significant effect on the ecosystem.
The intrusive species seem to outcompete local species for assets such as nourishment and living space, which seem to lead to a decrease in local fish populations. This might also have a swell effect on other life forms within the environment, as a few may depend on the native fish as a nourishment source.
In expansion to outcompeting local species, the invasive species might moreover present maladies or parasites that the local species may not be able to manage, advance diminishing their populaces. The intrusive species may duplicate more rapidly than local species, which could lead to an overabundance of obtrusive fish within the lake.
To learn more about ecosystem,
https://brainly.com/question/13979184
#SPJ1
what is a body plan (bio)
Answers
mark as brainliest pls
Answer:
body plan. a set of morphological and developmental traits. Animal Overview. -mulitcellular eukaryotes. -heterotrophs that ingest their food.
Explanation:
A body plan, Bauplan, or ground plan is a set of morphological features common to many members of a phylum of animals. The vertebrate body plan is one of many: invertebrates consist of many phyla.
HOPE IT HELPS : D
A student observed a waxing gibbous moon on September 22. Which date would be a prediction for the
next full moon appearance?
September 25
September 28
October 1
October 21
Answers
Answer:
October 21
Explanation:
It takes about a month to have another full moon appear.
Hope this helps :)
2. Observe: Click Release
enzyme O release DNA polymerase.
A. Notice that two groups of Nucleotides appear on the right. What are the three parts
of a nucleotide?
Answers
DNA replication is a complex process that involves several enzymes and proteins working together to ensure accurate replication of genetic material. One of the essential enzymes involved in this process is DNA polymerase, which adds new nucleotides to the growing DNA chain.
To begin this process, DNA polymerase requires a primer, which is a short sequence of RNA that provides a starting point for the polymerase to begin adding nucleotides.
The phrase "Click Release" lacks context and is not commonly used in the context of DNA replication. However, it is possible that it refers to the release of the RNA primer once DNA polymerase has added enough nucleotides to replace the primer with DNA. This allows the polymerase to continue adding nucleotides to the growing DNA chain until the entire DNA molecule has been replicated.
Overall, DNA replication is a crucial process that allows cells to make copies of their DNA before cell division occurs. The precise regulation of enzymes and proteins involved in this process ensures that genetic material is accurately replicated, making it possible for cells to divide and grow properly.
Learn more about enzymes and proteins here : brainly.com/question/29774898
#SPJ11
. a protein has 1000 amino acids, how many mrna codons are required to code for this protein
Answers
To code for a protein with 1000 amino acids, the mRNA must have a sequence of 3000 nucleotides, since each codon consists of three nucleotides.
This is because the genetic code is degenerate, meaning that multiple codons can code for the same amino acid. There are a total of 64 possible codons, but only 20 amino acids.
This redundancy in the genetic code allows for some errors to occur during replication and transcription, without leading to a significant change in the protein that is ultimately produced.
Therefore, to code for a protein with 1000 amino acids, approximately 3000 nucleotides are needed in the mRNA sequence, which corresponds to approximately 1000 codons.
To learn more about amino acids, click here:
https://brainly.com/question/14583479
#SPJ11
What exactly is meant by the microbiome? The word biome can be defined as a major ecological community type such as a grassland or desert. Why is the term microbiome used to describe the microbes that live in or on the human body
Answers
The microbiome is defined as the collection of microbial organisms that live within or on the human body. These microorganisms, which are primarily bacteria, can be found in the gut, mouth, skin, and other areas. The term microbiome is used to describe these microbes.
because they exist in a complex, dynamic ecosystem that is similar to other natural biomes, such as forests or oceans.
The human microbiome is a diverse and complex community of microorganisms that perform a variety of essential functions, such as aiding in digestion, modulating the immune system, and preventing the colonization of harmful pathogens. In recent years, the microbiome has been the subject of extensive research, as scientists have come to understand the important role that these microorganisms play in maintaining human health.
The microbiome can be influenced by a variety of factors, such as diet, environmental exposure, and genetics. For example, a high-fat diet can lead to changes in the microbiome, which can in turn affect metabolic processes and increase the risk of certain diseases. Similarly, exposure to antibiotics or other medications can disrupt the balance of the microbiome and lead to harmful effects.
The study of the microbiome has the potential to lead to new treatments and therapies for a wide range of diseases, such as inflammatory bowel disease, allergies, and even mental health disorders. By understanding the complex interactions between the human body and the microbiome, scientists may be able to develop targeted interventions that can improve overall health and well-being.
In conclusion, the microbiome refers to the collection of microbial organisms that live within or on the human body. This complex ecosystem is similar to other natural biomes, and plays an important role in maintaining human health. The study of the microbiome has the potential to lead to new treatments and therapies for a wide range of diseases, and is an area of active research and exploration.
For more question microbiome
https://brainly.com/question/24132745
#SPJ8
Which of the following motions causes day and night?
A. the sun's movement in the
sky
B. Earth's revolution around the sun
C. Earth's movement in space
D. Earth's rotation on its axis
Answers
Answer:
B
Explanation:
Earth rotates on its axis; this causes us to experience day and night.