what is the primary focus of demography? A. Human population B. History of government C. Influences of religion D. Forms of manufacturing

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.

What if it is did darwin used to support his theory of evolution