Explanation:
Generally, mating outside of a given population can give different alleles. Mutations and the crossing over of chromatids can add difference to the genetic pool.
Concrete is formed of sand. Is it incorrect to suggest that some houses are built using concrete blocks?
Answer:
B. it is a community of plants,animals and there physical surrounding.
The Octet rule is a general rule of thumb that applies to most atoms. Basically, it states that every atom wants to have eight valence electrons in its outermost electron shell.
The answer is heterogeneous mixture<span> because the </span>blood<span> cells are physically separate from the </span>blood<span> plasma.</span>
