Answer:
chemistry is basically the study of matter and their properties. it also it also explains how and why some substances combine or separate to form different substances.
Answer: I think its B
Explanation: I hope this helps :)
Answer:
b) natural variation w/in a species
Explanation:
All the answer you put are evidence of evolution also I have done this before.
In eukaryotes, there are two distinct types of cell division: a vegetative division, whereby each daughter cell is genetically identical to the parent cell (mitosis) and a reproductive cell division, whereby the number of chromosomes in the daughter cells is reduced by half to produce Haploid gametes (meiosis)