During the S phase in the cell cycle, the chromosomes are replicated so that there are two copies. These copies are necessary so that each daughter cell created during the M phase will have an identical copy of the DNA.
Therefore, the answer is A: The DNA must be replicated.
The chromosomes joining, cell membrane expanding, and cytoplasm separating all happen during the M phase (mitosis).
Answer: B: the variety of living things on Earth.
(Biodiversity refers to every living thing, including plants, bacteria, animals, and humans.)
Answer:
A) Power plant
Explanation:
The key to understanding this question, is first knowing what "stationary" means. When something is stationary, it doesn't move, it just stays in one place.
Since power plants are buildings, they naturally don't move. On the other hand, the other choices are all vehicles that are intended to move. So while all of these options do cause air pollution, the power plant is the only one that is stationary.
I hope this answer helps you :)
Answer:
A. Nitrogen, Oxygen, and Argon
Explanation:
Hope this helps!
If not, I am sorry.