Answer:
movement to and fro or around something, especially that of fluid in a closed system.
Maybe biosphere and geosphere?
Correct answer looks like to me would be A. Because, if a sunflower has 34 chromosomes, when you split it up into x and y chromosomes, there will be 17 x chromosomes and 17 y chromosomes. Hope this helps!
Answer:
abnormal development or growth especially of cells.
