Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground.
2n because when 2 gametes of n amount of DNA fertilise together they make an organism that is similar to its parents and have the total amount of DNA as 2n, just like parents.
Answer:
The trapping of the sun's warmth in a planets lower atmosphere
The individuals gametes cells would be damaged, possibly taking his ability to have offspring.
Your question should have a picture in other to answer the question:)