D. The factors for heredity called alleles
DNA is an acid in the chromosomes in the center of the cells of living things. DNA determines the particular structure and functions of every cell and is responsible for characteristics being passed on from parents to their children.
An allele is a viable DNA coding that occupies a given location on a chromosome.
The answer top the question given above is letter c. Surface currents.
There are two types of ocean currents, surface current and deep currents.
Surface currents which are caused by winds,move warm water
away from the equator and cool water away from the poles. Deep currents on the other hand are driven by differences in water density.
Explanation:
under what circumstance does a negative cell presents An antigen to another negative cell
False, it has to do with photosynthesis instead.
Sedimentary rocks are formed because of overburden pressure