The kind of variation that must exist in a population that has a wide range of phenotypes is GENETIC VARIATION.
Genetic variation is started in a population's gene pools which contains all alleles. It is <span>is measured with allele frequency which are calculated by # of specific allele divided by total # of alleles.</span>
In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable. ... Scientific laws explain things, but they do not describe them.
Housing impacted slaves as they were forced to live in small quarters. diseased spread rapidly and the quarters were always dirty. they had no personal space. disease was rampant and there was no cure for them. most slave owners did try to help the slaves because they were valuable property but disease was still an immense problem.
Answer:
O, Ir, H, He
Explanation:
Technically its either the first letter or the first two letters of the element. hope that helped :)
