Water is a molecule. ionic covalent polar covalent reversible

Why is it important that human chromosomes have many origins of replication

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.

What evidence is there that convection occurs in earth’s troposphere?