Answer:
B.
Explanation:
most valleys are weathered by running water. Glacier can also weather these. Because of running water it will carry the weathered pieces away.
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Answer:
Mutation plays a vital part in evolution; it is the greatest source of genetic variation. In evolution, it creates a new DNA sequence for a particular gene, creating a new allele. Additionally, recombination can produce a DNA sequence (a new allele) for a specific gene through intragenic recombination.
Explanation:
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Answer:
fossils are ancient bones or plants fossilized into rocks such as dinosaur bones(fossils) and they help unveil earths history by telling us more about them and what they might have looked like and big or small they were everything we know we know because of fossils
Explanation:
If brainiest is earned its greatly Appreciated
Answer:
Hyponatremia is a condition in which the levels of sodium in the blood is too low. Some of the symptoms of hyponatremia include headaches, muscle cramps or spasm, seizures, weakness, restlessness, and confusion. Hyponatremia can occur from excess fluid in the body, or a loss of sodium in body fluid.
Explanation:
