What is symbiosis (sim-biy-OH-sis)

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

Approximately what wavelength of light is best absorbed by chlorophyll a

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?