Answer:
B: sample 4
Explanation:
This is because amino acids are basic units for proteins
A lunar eclipse can last for a couple of hours and some minutes
Answer:
The answer is D.
Explanation:
It wont sink down and it stays in one spot.
Answer: B
Explanation:
Mutations are changes in the DNA sequence that can lead to genetic diversity. Mutations are usually errors in DNA replication or mitosis.
