Answer:
I think b
Explanation:
Im sorry if its wrong
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a little summary how ultraviolet light could be the answer to the future outbreak
( Two paragraphs).
Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.
Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.
Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.
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when deforestation occurs in an area what immediate effect does this haveon the water cycle?
Answer:
When deforestation occurs, precious rain is lost from the area
Explanation:
Trees improve water quality by slowing rain as it falls to the Earth, and helping it soak into the soil. Trees then serve as natural sponges, collecting and filtering rainfall and releasing it slowly into streams and rivers. Tress are the most effective land cover for maintenance of water quality
What are the chemical characteristics of the most common mineral group?
Answer:
The chemical feature of each group is: native elements – only one element; silicates – silica tetrahedron; phosphates – phosphate tetrahedron; carbonates – one carbon atom with three oxygen atoms; halides – a halogen bonded with a metallic atom; oxides – a metal combined with oxygen; sulfates – sulfur and oxygen
Silicates are by far the most common mineral group. The two most common silicate minerals are feldspar and quartz.
What are the chemical characteristics of minerals?Physical and chemical properties such as hardness, density, cleavage, and color, crystallography, electrical conductivity, magnetism, radioactivity, and fluorescence are examples of these.Silicates are by far the most common mineral group. The two most common silicate minerals are feldspar and quartz.Silicates are salts that contain silicon (Si) and oxygen anions. Because the silicon-to-oxygen ratio varies so much, silicates come in a variety of forms. However, silicon atoms are found at the centers of tetrahedrons in all silicates, with oxygen atoms at the corners.To learn more about : Silicates
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can one locus be in hardy-weinberg proportions, and the other not?
Yes, it is possible for one locus to be in Hardy-Weinberg proportions while the other is not. This is because the Hardy-Weinberg equilibrium is based on the assumption that the population is not evolving, meaning that there are no changes in allele frequencies due to factors such as mutation, selection, genetic drift, or gene flow. However, it is possible for one locus to be affected by these factors while the other is not, leading to one locus being in Hardy-Weinberg proportions and the other not.
For example, if there is a strong selective pressure on one locus, such as a disease that affects individuals with a certain allele, the allele frequencies at that locus may change, leading to a deviation from Hardy-Weinberg proportions. However, if there is no selective pressure on the other locus, it may remain in Hardy-Weinberg proportions.
In conclusion, it is possible for one locus to be in Hardy-Weinberg proportions while the other is not, depending on the factors affecting each locus.
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Which of the following statements is correct?
F. Accessory pigments are not involved in photosynthesis.
G. Accessory pigments add color to plants but do not absorb light energy.
H. Accessory pigments absorb colors of light that chlorophyll a cannot absorb.
J. Accessory pigments receive electrons from the electron transport chain of photosystem I.
Answer:
G. Accessory pigment add color to plant but do not absorb light energy.
Answer:
G is the correct answer!!!
Explanation:
me ayudan por favor?
1) 2Na + Cl2 ---> 2NaCl
2) N2O5 + H2O ---> 2HNO3
3) 4Fe + 3O2 ---> 2Fe2O3
4) 2SO2 + O2 ---> 2SO3
5) Na2O + H2O ---> 2NaOH
Espero que esto te ayude! No puedo dar explicaciones porque mi español es todavía básico, pero si necesitas más ayuda, puedo enlazar un vídeo útil.
Please help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Your answer should be A Mitosis
Explanation:
which of the following muscle has their insertion on the medial cuneiform and first metataral?
a. flexor hallucis longus, tibialis anterior
b. peroneus brevis, tibilais posterior
c. peroneus longus, tibialis posterior
d. tibialis anterior, peroneus longus
The muscle that has its insertion on the medial cuneiform and first metatarsal is the tibialis anterior, peroneus longus. The correct option is d.
The tibialis anterior muscle is located in the anterior compartment of the lower leg. It originates from the lateral condyle and upper two-thirds of the tibia, as well as the interosseous membrane. The muscle travels down the front of the leg and inserts onto the medial cuneiform bone and the base of the first metatarsal.
The primary function of the tibialis anterior is dorsiflexion of the ankle joint, which involves lifting the foot and toes towards the shin. It also helps in inversion of the foot, turning the sole of the foot inward.
The other muscles mentioned in the options have different insertions:
a. Flexor hallucis longus inserts on the distal phalanx of the great toe.
b. Peroneus brevis inserts on the base of the fifth metatarsal.
c. Peroneus longus inserts on the base of the first metatarsal and the medial cuneiform, but it also has its main insertion on the lateral side of the foot, the first metatarsal, and the medial cuneiform.
d. Tibialis posterior inserts on the navicular bone, several cuneiforms, and the bases of the second to fourth metatarsals.
Therefore, the correct answer is option d: Tibialis anterior and peroneus longus. The tibialis anterior inserts on the medial cuneiform and first metatarsal, while the peroneus longus has its main insertion on the lateral side of the foot but also inserts on the medial cuneiform and first metatarsal.
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Is Carbon is recycled over and over again through people, animals, and plants.
Yes it is.
Carbon dioxide goes through plants, which they turn into oxygen. Humans and animals take in the oxygen and breathe out carbon dioxide. Then it repeats.
hello please help i’ll give brainliest
Answer:
Second choice.
Explanation:
Symbiosis is when two organisms help each other, usually benifitting one if not both of the said orgaisms.
many arthropods possess tagmata. what are they? multiple choice question. specialized visual units that render a mosaic-like image of the environment pores on the body surface that allow air into the tracheal system body segments that have become fused into functional units modified walking legs that have various sensory, predatory, or reproductive functions simple eyes that distinguish light from dark
Arthropods possess tagmata they are body segments that have become fused into functional units
What are Arthropods ?"Jointed legs" is what the word "arthropod" denotes. Arthropoda was the phylum's term given to invertebrates with jointed legs and an exoskeleton.
Since arthropod, which meaning "articulated foot," has an adult form with articulated legs, they are referred to as arthropods. Insect species have an exoskeleton, or external skeleton, just like other arthropod species do.The phylum Arthropoda, which is Greek for "jointed leg," contains arthropods. Insects, spiders, and crustaceans are all arthropods. Beetles are more diverse than any other form of animal, invertebrate or not, in the planet. Insects and spiders belong to the phylum of arthropods.Learn more about Arthropods here:
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In wildtype Drosophila embryos, the bicoid mRNA is localized to the anterior end of the emberyo. If bicoid mRNA was injected into the embryo's posterior end as well, which of the followirig developmental events is predicted to occur? The embryo would grow extra wines and legs. The emhiryo would develop normally. The embryo would show anterior structures at both ends of the embryv. The ernbryo would have altered seementation.
The developmental event that would occur if bicoid mRNA was injected into the embryo's posterior end as well is that the embryo would show anterior structures at both ends of the embryo.
What is bicoid mRNA?Bicoid mRNA is an mRNA (messenger ribonucleic acid) molecule found in Drosophila embryos. The bicoid gene is expressed as mRNA in the nurse cells of the ovary, where it is translated into the bicoid protein after fertilization.
The bicoid mRNA and protein gradient are formed by the bicoid protein being secreted from the anterior end of the embryo and diffusing to the posterior end.In wildtype Drosophila embryos, the bicoid mRNA is localized to the anterior end of the embryo. Injecting bicoid mRNA into the posterior end of the embryo will cause the embryo to have anterior structures at both ends of the embryo. The other options (extra wings and legs or altered segmentation) are not associated with bicoid mRNA injection to the posterior end.
Hence, the answer is "The embryo would show anterior structures at both ends of the embryo."
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Good Morning. . . Ohayo. . .Please Answer this Question. . .
Which Part of Brain is Responsible for Dreams?
Answer: The hippocampus
Explanation:
In the brain's temporal lobe, the hippocampus has the ability to imagine, remember, and dream. In other words, the hippocampus is responsible for dreams.
Need help with this for science
Answer:
i think option {C}both filter blood to remove waste is correctExplanation:
please make me brainlist if my answer helps you!!(✿^‿^)An unidentified element melt at -7-2 c and boils at 58C. What is its physical state at room temperature
The hair-like projections that cover the surface of an enterocyte and contribute to the increased surface area of the small intestine are called microvilli.
The brush border is the collective name for the microvilli carpet that covers the small intestine's enterocytes.
The duodenum, jejunum, and ileum; circular folds; villi; enterocytes; microvilli; brush border; lacteal; and capillaries. Explanation: The circular folds, villi, and microvilli are the three structural elements of the small intestine that increase its surface area. The term "villi" refers to the finger-like protrusions that cover the small intestine's elliptical folds and help to expand its surface area. Enterocytes are the name for the absorptive cells that line the intestine's wall. Microvilli are the hair-like protrusions that cover an enterocyte's surface and add to the small intestine's larger surface area. The brush border is the collective name for the microvilli carpet that covers the small intestine's enterocytes.
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Explain how selective breeding is done. Describe how this helps farmers to increase crop and poultry production.
Answer:
Selective breeding is when a human or farmer in this case selects two plants or chickens with the best traits in order to get a good yield and quality for the products they are producing. I hope this helps!
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(Paragraph Form)
Earth systems include the biosphere, atmosphere, and geosphere. Use the model to explain how photosynthesis acts to transfer carbon between two Earth systems.
Answer:
It looks to me that those are plant genes. And plant genes use the atmosphere and the hydrosphere to take in carbon dioxide. CO2 is in the atmosphere and once consumed, sugar ( Glucose ) is created. H2O is part of the hydrosphere and when water is consumed, Oxygen is the output. All of the spheres of the earth ( biosphere, hydrosphere, geosphere, and atmosphere ) are interconnected to create the things we know and see.
these organs, due to the muscular contractions of their walls, involuntarily
Answer:
move food through the digestive tract
Explanation:
Lack of rehydration during exercise can lead to excessive fluid loss through sweat. As water is lost and body fluid osmolarity increases, which of the following events will most likely take place?
A. decreased ADH release
B. decreased water reabsorption
C. increased ADH release
D. increased urine output
Lack of rehydration during exercise can lead to excessive fluid loss through sweat, resulting in increased body fluid osmolarity. In response, the most likely event to occur is increased ADH release.
When the body is dehydrated and fluid levels decrease, the concentration of solutes in the body fluid increases, leading to an increase in body fluid osmolarity. In this scenario, the body's hormone system, particularly the release of antidiuretic hormone (ADH), plays a crucial role in maintaining fluid balance.
ADH, also known as vasopressin, is released by the pituitary gland in response to increased osmolarity of the body fluids. Its main function is to regulate water balance by increasing water reabsorption in the kidneys, which reduces urine output and helps retain water in the body.
Therefore, in the given scenario of excessive fluid loss and increased body fluid osmolarity due to lack of rehydration during exercise, the most likely event to take place is increased ADH release (option C). This increased ADH release would result in increased water reabsorption in the kidneys, reducing urine output (option D) and helping to conserve water and maintain fluid balance in the body.
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NASA just crashed a spacecraft into an asteroid to see what would happen. How do you feel about this headline? Are you hopeful? Do you think its a waste of time?
regulation of bacterial gene expression typically involves all of the following mechanisms except
a. Regulation of RNA processing
b. Repressor proteins bind to DNA and decrease the rate of transcriptio
c. all correct
d. all false
Regulation of RNA processing. Genetic components and processes such as DNA methylation, histone deacetylation, transcription factors, DNA sequence variations, and microRNAs (miRNAs) can affect at either the transcriptional or translational levels to modify gene expression.
Bacteria contain specific regulatory molecules that govern whether a certain gene will be translated into mRNA. These molecules frequently work by attaching to DNA close to the gene and assisting or inhibiting the RNA polymerase transcription enzyme.
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Explain why you cannot draw a conclusion about the effect of one variable in an investigation when the other variables are NOT controlled.
Answer:
Because you don't know which variable caused the effect.
Explanation:
It's always important to have a control because you need to be able to pinpoint exactly what variable caused the specific effect to take place. This is also why multiple variables can not be tested at once.
24 Which statement is an inference that could be made from studying the
illustration?
F. Star A is the brightest of the labeled stars.
G. Earth is closest to star A.
H. Star C appears moderately bright.
I. Star B is farther from star C than it is from Earth.
Answer: G
Explanation: F and H are observations, not inferences, and the image does not contain enough information to support inference I.
the delicate neural structures in the brain are protected by . group of answer choices the ventricles the corpus callosum the three-layered meninges myelin
Meninges cover the brain and spinal cord in three layers. The thin inner layer is called the pia mater.
What protects the delicate, exposed brain?The three thin membranes known as the meninges that cover the skull and its three bones provide protection for the brain. The brain is additionally protected and cushioned by cerebrospinal fluid.
What physical feature protects the brain?The brain is located inside the skull, a bony covering. The brain is protected by the skull. The skull is the collective name for the bones that support the face, including the cranium. The three-layered meninges, which are located between the skull and the brain, cover and shield the brain and spinal cord.
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Why do continents rise above the ocean floor?
Answer:
This increase is linked to the continental crusts rising above the oceans. ... As Earth's land plates began to shift and move, less dense rock may have been forced upward, shaping the continents we see today on Earth's crust.
Explanation:
Answer:
the second one
Explanation:
As a result, the rock that forms from that melt is less dense than the original rock.
in island biogeography, what does species area relationship indicates? a. large islands that are far get more species that can fly or swim b. large islands increase the probability of extinction c. habitat heterogeneity provides suitable niches to colonize d. smaller habitat size reduces the probability of extinction
The species-area relationship in island biogeography indicates that larger habitat size reduces the probability of extinction. Habitat heterogeneity provides suitable niches to colonize, thus allowing for a higher number of species in the area. Therefore, the correct option is c.
Habitat heterogeneity provides suitable niches to colonize. Let's discuss the given options one by one.a. Large islands that are far get more species that can fly or swim: This option is incorrect because the number of species on an island is not determined by how far it is from the mainland but instead by the size of the island. Large islands increase the probability of extinction: This option is incorrect because larger islands provide more suitable habitats for a higher number of species and not for increasing the probability of extinction Smaller habitat size reduces the probability of extinction: This option is incorrect because smaller habitat size provides a lower number of suitable niches and habitats to colonize, which can increase the probability of extinction.
Thus, it can be concluded that habitat heterogeneity provides suitable niches to colonize in island biogeography.
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which mature cell has no nucleus, no mitochondria and no ribosomes?
The mature cell that has no nucleus, no mitochondria, and no ribosomes is a red blood cell (RBC) or erythrocyte.
Red blood cell (RBC)Red blood cells are unique in that they lack these organelles in order to maximize space for hemoglobin, the protein that carries oxygen throughout the body. Without a nucleus, mitochondria, and ribosomes, RBCs cannot divide, produce energy, or synthesize proteins, and have a limited lifespan of about 120 days before they are removed from circulation and replaced by new RBCs.
So, the correct answer is red blood cell (RBC) or erythrocyte.
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14. What is a base?
A.) a substance that decreases pH
B.) a substance that releases hydrogen ions (H+) into solution
O C.) a substance that quenches chemical reactions
D.) a substance that releases hydroxide ions (OH-) into solution
or What is the short-term energy storage molecule in cells?
Answer:
D
Explanation:
Increase Ph and releases OH