Since a secondary source is a source written after an event has occurred, I want to say that the answer is A. Hope this helped!<span />
Evolution is the change in heritable characteristics within a species ! :)
Answer: A. mitosis
Explanation: Mitosis is used to produce daughter cells that are genetically identical to the parent cells. The cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.
If you're talking about one storm for each, then acid rain would erode more Because acid breaks down material much easier then water.
(amusing they are falling at the same speed)
