Over millions of years the cycle of _,_,and_ have helped balance the CO2 in the atmosphere. Keeping us warm and preventing us from being boiled by the sun.

  a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

U. life is what you go through to become a better person. it makes you stronger, wiser, and more creative. it can be hard but its ok. because i believe everyone was put here for a reason. whether or not you know that reason you should always look towards the future and trust in god for a better tomorrow.be safe and blessed

Ithink it is 130 percent