Radioactive dating, depending on the certain amount of radioactive decay it leaves through the years you can predict the oldest one!
if that helped make sure to mark brainliest! <3
-procklown
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.
Answer:
Having elecrical impulses travel down the axon to the terminal.
Explanation:
