question one : when two plates converge, they are what?
a) moving away from each other
b) moving towards each other
c) sliding along each other
d) colliding with each other
question two : when two plates converge, they are what?
a) moving away from each other
b) moving towards each other
c) sliding along each other
d) moving towards, then moving away from each other
question three : during sea-floor spreading, how would you describe the age of rocks the further away from the ridge?
a) the rocks are youngest the further away you move from the ridge
b) the rocks are oldest the further away you move from the ridge
c) the rocks are the same age no matter how far away from the ridge you move
d) the rocks do not age
Answers
Q2. They are c. sliding along each other (in a processes called “subduction”)
Q3. Rocks furthest away from the ridge are b. oldest the further away you move from the ridge. The youngest rocks can be found closest to the mid ocean ridge.
Related Questions
The graph shows three different projections of human population growth.
16,000
14,000
UN High
12,000
UN
Medium
10,000
Millions of people
68,000
6,000
UN Low
Actual
4,000
2,000 Estimated
0
If you assume that the high projection is correct, what is one way the larger
human population can ensure it has enough food?
Answers
The one way the larger human population can ensure it has enough food is by finding more efficient ways of growing crops. Therefore, the correct option is option B.
What is population?The term "population" is frequently used to describe the total number of people living in a particular location. To estimate the number of the residents within a certain territory, governments conduct censuses. The phrase has particular use in the domains of ecology and genetics and is also used to refer to plants, animals, and microbes.
An region with a sexual populace is one in which interbreeding between any two individuals therein is both conceivable and more likely than cross-breeding between individuals from other places. The one way the larger human population can ensure it has enough food is by finding more efficient ways of growing crops.
Therefore, the correct option is option B.
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Compare the Excretory System to water animals and terrestrial animals .
Answers
The excretory system in aquatic animals mainly excretes ammonia as the waste and their excretory organs include kidney, skin, or gills. While the excretory system in terrestrial animals excretes uric acid or area and the organ used by them is majorly kidney.
Ammonia is the nitrogenous toxic excretory waste excreted majorly by the aquatic animals. The excretion mostly occurs by diffusion. The reason ammonia is more prevalent in aquatic animals is the it is the most toxic waste material and discharge into the water dilutes its toxicity.
Kidney is the major excretory organ in many of the terrestrial animals. It occurs in a pair and filters the blood so as to make it waste-free. The basic unit of kidney is nephron.
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Which of the following statements is true about viruses?
Viruses contain very small cells
Viruses never eat any food
Viruses can reproduce themselves quickly
Viruses have hyphae that help them take up water
Answers
Explanation:
viruses may contain very small cells viruses can produce them quickly when they get a mode of transmission viruses have hyphae BUT viruses never eat any food so second statement is true....
viruses and cells are different in many ways. in which of these ways are viruses and cells most similar?
Answers
Answer:
viruses and cells are different in many ways. in which of these ways are viruses and cells most similar?
Explanation:
espero ter ajudado boa noite
Which of the following adds oxygen to the atmosphere?
Select one:
a.
Deforestation
b.
Photosynthesis
c.
Precipitation
d.
Breathing
Answers
Answer:
The answer is B.
Explanation:
The process of Photosynthesis comes from plants, when chlorophyll in the plants absorb sunlight, they store energy and it allows the conversion of carbon dioxide to oxygen.
What does the presence of gill slits in a human embryo suggest?
Answers
Answer:
The presence of the gill slits suggests that a long time ago humans and fish shared a common ancestor. The similarities between embryos suggest that these animals are related and have common ancestors.
Explanation:
Given the following strand of DNA, what is the complementary (second) strand of DNA?
CGT-GAT-CAG
Answers
Answer:
If i remeber correctly it would be CAG or CGT
Explanation:
Explain how you think the end products of cellular respiration would be altered if you did
not eat any carbohydrates for an entire week?
Answers
Answer:
low energy and slow digestion
96% of your body is made up of what 4 elements?
Answers
Answer:
oxygen, carbon, hydrogen and nitrogen, a lot of it in the form of water.
Explanation:
Answer:
96% of your body is made up of Corbon , Oxygen, Nitrogen and Hydrogen.
Explanation:
What type of mutation has occurred in the following example?
A.) deletion mutation
B.) insertion mutation
C.) point mutation
Which letter choice is correct? A, B, or C?
Use the screenshot to answer question
Answers
Point mutation is type of mutation has occurred in the following example.
Point mutations: What are they?A single base pair that is added, deleted, or changed in a genome is known as a point mutation. While most point mutations are harmless, they can also have a variety of functional effects, such as changes in gene expression or modifications to proteins that are encoded.
Point mutations occur when a single nitrogenous base is substituted, deleted, or added to a single base pair of DNA. Sickle cell anemia is an illustration of a point mutation. It involves a mutation in just one base pair of the beta-globin chain, which is the blood pigment known as hemoglobin.
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In the deep south, pigweed has become resistant to herbicides which is making it harder to grow cotton. The weed will ruin tractors and requires manual labor to remove. The ppc could have a horizontal axis labeled as ______
Answers
In the given scenario, where pigweed has developed resistance to herbicides and poses challenges to cotton production in the deep south, the horizontal axis of the Production Possibilities Curve (PPC) could be labeled as "Labor-Intensive Techniques vs. Mechanization."
This labeling reflects the trade-off between employing labor-intensive techniques, such as manual weeding to control pigweed, and relying on mechanization, represented by the use of tractors and herbicides. The PPC illustrates the different combinations of labor-intensive techniques and mechanization that can be utilized in cotton production.
On one end of the spectrum, allocating more resources towards labor-intensive techniques involves manual labor for removing pigweed, which requires additional human effort and potentially higher costs. This option is depicted at one extreme of the horizontal axis.
On the other end, increasing mechanization implies a greater reliance on machinery, such as tractors and herbicides, to control pigweed efficiently. However, the resistant weed's ability to damage tractors introduces limitations and risks associated with this approach. This alternative is represented at the opposite extreme of the horizontal axis.
The PPC showcases the various trade-offs between labor-intensive techniques and mechanization, aiming to find an optimal balance that maximizes cotton production while effectively managing the challenges posed by pigweed resistance. It helps decision-makers visualize the available choices and make informed decisions regarding resource allocation and management strategies in response to the pigweed issue.
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Potatoes can be genetically modified so that they are _________ to plant-eating beetle?
A. Toxic
B. Tacky
C. Tasty
D. None of these
Answers
Answer:
A or D
Explanation:
You would want to genetically modify the plant so that the beetles wouldn't want to eat it. If it is toxic, the bugs would stay away from it. However, you could also just modify the plant so that it doesn't taste good for the bugs, in which case you should pick D. Choose whichever answer you think is best.
Why do calculations of recombination frequencies between loci that are far apart on chromosomes underestimate the true genetic distance between the loci?.
Answers
This is the complete question
A. Recombination frequencies cannot exceed 50% and asymptotically approach 50% as the distance between genes increases because only one crossover can occur per chromosome. B. As the distance between loci increases, some multiple crossovers go undetected such that the relationship between recombination frequency and map distance ceases to be linear. C.Loci that are far apart on a chromosome often recombine to produce combinations of alleles that result in a lethal phenotype and such recombinants are not recovered or identified. D. Loci that are far apart on a chromosome are often susceptible to a form of chromatic interference that results in reduced crossing over, and this interference does not occur for loci that are closer together. E. If two crossovers occur between two loci, then only nonrecombinant gametes are produced; therefore, recombination frequencies actually begin to decrease for more distant pairs of genes.
As the distance between loci increases, some multiple crossovers go undetected such that the relationship between recombination frequency and map distance ceases to be linear. Thus, option "B" is correct.
How, explain your answer briefly?When calculating recombination frequencies, and hence, map distances, we might notice that these distances are not completely additive. They might vary. For example, let us say that we have three genes, A, B, and C, in that order. We calculated that the distance between A and B equals 5.9 MU and that B and C are 19.5 MU apart. According to this, we might say that the total distance between A and C is 25.4 MU (5.9 + 19.5). However, after a two-point calculation between A and C, the value equals 23.7 MU.
The recombination frequency between these two genes located in the extremes and far apart underestimates the actual genetic distances between them because there might occur other crossing-overs that were not detected. This is when calculating the distance between A and C, we probably will not detect the occurrence of a double recombinant between them, and hence, we might sub-estimate the real distance.
The relationship between the actual map distance (number of crossing overs) and the recombination frequency between two loci, is not lineal. The farther apart are the two genes, the worse is the distance estimation.
Thus, option "B" is correct.
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please give meaning this quatotion
Answers
Answer:
I don't know if this right but i think it means together we are strong I don't think that's the answer though.
Explanation:
-_-
Which ideas did you include in your answer? check all that apply. ngc 1427a is an irregular galaxy. u is a spiral galaxy. both galaxies contain plenty of dust and gas. both galaxies have active star-forming sites.
Answers
An irregular galaxy refers to a galaxy that lacks a distinct shape or structure. It does not fall into the categories of spiral or elliptical galaxies. ngc 1427a is specifically classified as an irregular galaxy, which means it does not have the organized spiral arms or elliptical shape.
u is a spiral galaxy:
- A spiral galaxy is a type of galaxy that has a distinct spiral arm structure.
- u, in this context, is mentioned as a spiral galaxy, indicating that it has spiral arms that wrap around a central bulge.
. Both galaxies contain plenty of dust and gas:
- Dust and gas are essential components of galaxies.
- The statement implies that both ngc 1427a and u have a significant amount of dust and gas present within them.
. Both galaxies have active star-forming sites:
- Active star-forming sites refer to regions within a galaxy where new stars are being formed.
- The inclusion of this statement suggests that both ngc 1427a and u have regions within them where new stars are actively being formed.
These ideas were included to provide a comprehensive understanding of the characteristics of ngc 1427a and u, highlighting their galaxy types, presence of dust and gas, and active star-forming sites.
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Quién propuso el primer mecanismo de herencia a partir de la observación y la experimentación con plantas?
Answers
Answer:
Gregor Mendel
Explanation:
Gregor Mendel fue un naturalista, biogista y matemático que demostró por primera vez los principios de la herencia utilizando su trabajo sobre las plantas de guisantes.
Publicó su trabajo en "Experiments in Plant Hybridization" en el año 1866. Al controlar la polinización, Mendel pudo cruzar plantas de guisantes con diferentes formas de rasgos. En el primer conjunto de experimentos de Mendel, experimentó con solo una característica a la vez. Los resultados de este conjunto de experimentos llevaron a la primera ley de herencia de Mendel llamada ley de segregación (Bio Libretexts).
(LO 1.6) Assume a person just drank a glucose solution and is sitting quietly.
Injecting insulin would cause compared to when there was no insulin
injected.
m
Answers
Answer:
more glucose to move into cells in muscles
Explanation:
Do cells use carbohydrates as a source of amnio acids
Answers
Answer:
Yes sssdddddsdsssss
Explanation:
tutututytytututuytutyrut
what will most likely happen if the plankton population decreases in this ocean system?
Answers
Answer: here
Explanation: If the plankton population decreases, there will be less food available for the shrimp. 2. As a result, the shrimp population may also decrease due to lack of food.
hope this helps
In the United States, there has been an increase in the number of people infected by mosquito spread diseases that were previously found only in countries south of the United States. Scientists want to investigate the cause of the increase in mosquito spread diseases. Scientists have predicted that the mosquitos carrying disease have moved further north as global temperatures have increased. What information is MOST useful for their investigtions?
Answers
In their investigation, scientists should primarily focus on data related to the changes in mosquito populations and their habitats, the prevalence and distribution of mosquito-borne diseases in the United States, and the correlation between these factors and the increase in global temperatures. This information will help them determine if the rise in temperature is the primary cause of the northward spread of disease-carrying mosquitoes and subsequent increase in infections.
In order for scientists to investigate the cause of the increase in mosquito spread diseases in the United States, the most useful information would be data on the movement of mosquitoes and the spread of diseases in relation to global temperatures. This information can be gathered through extensive research on mosquito populations and their behavior, as well as tracking the incidence of mosquito-borne diseases across different regions and seasons. Additionally, understanding the environmental factors that impact mosquito populations, such as temperature, humidity, and precipitation, will also be crucial in identifying the cause of the increase in disease transmission. With this information, scientists can develop effective strategies for preventing and controlling the spread of mosquito-borne diseases in the United States.
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which traits are characteristic of derived members of the genus homo?
Answers
Derived members of the genus Homo, such as Homo sapiens, have a number of adaptations which differentiate them from more primitive Homo species.
Most notably, derived Homo species possess a larger and more complex brain, allowing for greater intelligence, and more sophisticated behaviour. Homo sapiens exhibit a larger temporal lobe and neocortex compared to other Homo species, which is linked to increased language abilities, higher level thinking, and conscious awareness.
These changes allowed our ancestors to tool-make, develop an intangible social culture, and collaborate efficiently on tasks, which enabled Homo sapiens to spread out of Africa and across the globe. Derived Homo species also possess enhanced manual dexterity and biomechanics resulting in a greater ability to master more complex tools.
These physical changes further facilitated the rise of Homo sapiens as the dominant species, and enabled ancient humans to access more varied diets, become more resilient to the environment, and build more nuanced social relations.
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Correct question is :
what traits are characteristic of derived members of the genus homo?
What happened to the average lifespan during that time from 1963-2012?
Answers
Answer:
69.92 years
In 1963 the life expectancy in United States decreased to 69.92 years. That year, the life expectancy for women was 73.4 years and for men 66.6 years. United States's position worsened with respect to the 182 countries we publish said data, dropping from the 18th in 1962 to 22th in 1963.
Explanation:
sickle cell disease is a blood cell disorder. It causes an abnormality in the blood cells shape. The cell assumes the shape of a crescent. This also inhibits the cells, ability to carry oxygen leading to painful symptoms, and even death the person inherits the alleles for SED from their parent a person who is heterozygous for the sickle cell allele often shows no symptoms of the disease and is considered a carrier. A person who is homozygous recessive for the sickle cell allele will exhibit signs and symptoms of sickle cell anemia if 9% of the population exhibit signs and symptoms of the disease what percent of the population is a carrier.
Answers
The percentage of the population that is a carrier of sickle cell disease is 91%. This is calculated by subtracting the 9% of the population that exhibit signs and symptoms of the disease from the total population (100%).
What is disease?Disease is an abnormal condition that affects the body of an organism and can cause discomfort, dysfunction or even death. It is often caused by pathogens such as viruses, bacteria, fungi, parasites, or environmental factors such as radiation or chemicals. It can be caused by genetic predisposition or lifestyle choices, such as smoking or poor diet. Symptoms of a disease depend on the type and can range from mild to severe.
This leaves 91% of the population that is a carrier of the disease but does not show any symptoms. This is due to the fact that a person who is heterozygous for the sickle cell allele (has one sickle cell allele and one normal allele) typically does not show any symptoms of the disease.
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Offspring that result from crosses between parents with different traits.
Answers
The offspring of crosses between parents with different traits are called hybrids.
when red blood cells age, which organ is responsible for their destruction?
Answers
The spleen is primarily responsible for the destruction of aging red blood cells. Contributing to the recycling and replenishment of healthy red blood cells in the body.
Red blood cells (RBCs) have a limited lifespan, and as they age, they undergo changes that make them more susceptible to removal from circulation. The process of removing aging or damaged RBCs from circulation is known as erythrocyte senescence.
The spleen, an organ located in the upper left side of the abdomen, plays a crucial role in the removal of aging RBCs. Within the spleen, there are specialized cells called macrophages that engulf and break down the aging or damaged RBCs through a process known as phagocytosis.
Macrophages in the spleen recognize and selectively remove RBCs that have become older or more fragile. These macrophages detect various changes in the RBCs, such as alterations in membrane proteins or reduced flexibility, which mark them for removal.
Once the aging RBCs are phagocytosed by the macrophages in the spleen, they are broken down, and their components, including iron and other nutrients, are recycled and used for the production of new RBCs or for other physiological processes in the body.
In conclusion, the spleen is primarily responsible for the destruction of aging red blood cells. Specialized macrophages in the spleen recognize and remove aging or damaged RBCs through phagocytosis, contributing to the recycling and replenishment of healthy red blood cells in the body.
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B. What is a problem with partial DNA samples? In your answer, include how databases
relate to this problem.
Answers
Answer:
Partial profiles will match up with many more people than a full profile. And even full profiles may match with a person other than the culprit. Further complicating matters, a single DNA profile might be mistakenly generated when samples from multiple people are accidentally combined.
Explanation:
Answer:
Partial profiles will match up with many more people than a full profile. And even full profiles may match with a person other than the culprit. Further complicating matters, a single DNA profile might be mistakenly generated when samples from multiple people are accidentally combined.
Explanation:
Which of the following describes how to safely work using aseptic technique? Select all that apply.
a. Treating microorganisms with 10% bleach for 20 minutes is sufficient to decontaminate prior to disposal.
b. Microwaving media is an appropriate means to sterilize before pouring plates.
c. Sterile media can be poured from a bottle to an empty sterile flask without using a flame.
d. Autoclaved tips and surface-sterilized tools should be used for all aseptic transfers.
Answers
The methods for safely working using aseptic technique are: Autoclaved tips and surface-sterilized tools should be used for all aseptic transfers.
Prior to transferring microorganisms to another medium, sterilize the wire loop by heating it until it glows red hot. Laboratory benches and surfaces should be cleaned with a sterilizing agent such as 70% ethanol before and after each use. The practice of using aseptic technique ensures the safety of both the microbiologist and the culture being grown. Aseptic techniques are a range of techniques used to protect microbiological cultures from being contaminated by other microorganisms that might exist in the surrounding environment.
Aseptic technique refers to any set of procedures that is performed under sterile conditions in order to avoid the introduction of contamination. Aseptic technique is commonly used in the laboratory when working with microorganisms that are sensitive to contamination or infection. In order to safely work using aseptic technique, it is important to follow several guidelines, including using sterilized tools and surfaces, cleaning laboratory benches and surfaces, and using a sterilizing agent such as 70% ethanol before and after each use.
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Which of the following is a result of too many greenhouse gases in the atmosphere?
A: Glaciers melting
B: Sea levels rising
C: Cloud forests drying
Answers
Answer:
glaciers melting
Explanation:
thats what i would say
How are the processes of asexual reproduction and sexual reproduction different? Select three options. In both processes, all offspring have identical DNA. They involve a different number of parents. Only one process involves sperm and eggs. Only one process involves meiosis. Only one process involves cell division.
Answers
Answer:2,3,4
Explanation:just took the test
Answer:
It’s is 2 3 4
Explanation:
It’s right on edge
NO LINKS PLEASE
What is a major difference between the nitrogen and phosphorus cycles?
O A. Animals excrete only phosphorus-containing compounds to add to the cycle.
O B. Soil erosion removes only phosphorus from its cycle in terrestrial ecosystems.
O C. Only nitrogen is added to its cycle from fertilizers.
OD. Only nitrogen exists as a gas for part of the cycle.
Answers
Answer:
D
Explanation:
phosphorus is usually not shown in gas form