Based on its location on the periodic table, how many electrons does nitrogen have in its outer energy level? 3 4 5 6

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

Which layer will become saturated first when rain falls?

Match with o for organic and i for inorganic for each compound