Answer:
A tan might indicate sun damage to the skin.
Explanation:
Tanning is the process by which the skin is exposed to the ultraviolet rays that comes from the sun with the purpose of producing a dark-brown coloration called a TAN.
A tan achieved by exposure to the sun can actually indicate that a person's skin is undergoing damage from the UV rays of the sun, hence, the skin responds by producing a protein called melanin, which protects the skin and later forms the dark coloration- tan. From this explanation, tan is got in response to a damaging signal received by the cell, hence, a tan might indicate sun damage to the skin.
Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
Answer:
<em>The correct option is D) decreased ice causes less energy to be reflected</em>
Explanation:
Observations have shown that ice has the ability to absorb less solar radiation and reflect back most of it. On the other hand, liquid water absorbs more solar energy and reflects back a little of it.
Hence, the lesser the ice will be, the lesser will be the solar energy being reflected back. If the solar energy is not reflected back in adequate amounts it can cause global warming and the atmosphere of the Earth to be heated.
Answer:
separate or unzip the two strands of the double helix.
Explanation:
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