Answer: We got it wrong when we checked off flooding. We are going with C) craters on surface. AND E) death of organisms and populations.
Explanation:
The correct answer is: A. A change in a cell's genetic material.
Mutations occur in DNA as a result of mistakes during the DNA replication (when repair mechanisms don’t fix it) or as the result of environmental factors (e.g. UV light). Mutations can have positive impact, by increasing the genetic variation or can have negative effect, causing the diseases or cancer.
It has11 protons and neutrons atomic number=11 mass=22
