Answer:
Hormone
Explanation:
Which of the following does the endocrine system regulate?
Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
Sister chromatids separate during anaphase
It's C! It changes as new evidence is found.
Answer: possibly A
Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.
