Answer:
complete your answer first
B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
Answer:
B. The mutations were beneficial for each new environment.
Explanation:
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
Answer:
mutations cause most cases of cancer. Some acquired mutations can be caused by things that we are exposed to in our environment, including cigarette smoke, radiation, hormones, and diet. Other mutations have no clear cause, and seem to occur randomly as the cells divide.