Answer:
Double Helix
Explanation:
It is called the double helix for the signature shape that a DNA strand takes.
Answer:
genetic drift
Explanation:
Genetic drift is a change in the frequency of an allele within a population over time. There are no environmental influences that cause genetic drift to occur.
The correct answer is sand, silt, and clay. These three sediments are the ones who make up the C horizon. This layer is located right below the B horizon and which is known to be a delicate layer since it has a weak pedological development compare to others.
Oceans jungle forests mountains