I think they are all biotic factors..hmm if not take out whichever sounds the most not fitting.
The nucleus contains most of the genetic material, or DNA, of the cell.
Answer:
won the space race because they sent the first person to the moon
Explanation:
2nd one is false (Russia launched Sputnik)
4th is also false (Germany never participated in the Space Race)
I chose the answer that said "Transition to socialist and communist government systems, and creation of labor unions."
A mathematical model of a food web helps you better understand portions, and track the structure of how the web is flowing. The food web could also help because it helps predict things.