C.75 of the cell's mass is water
Answer:
Nitrogen fixing bacteria in the soil and within root nodules of some plants convert nitrogen gas on the atmosphere to ammonia.
Nitrifying- bacteria convert ammonia to nitrites.
SI pasala :) te ayudare :3
The systems are:
Nervous system: this is because the brain sends out commands to the body or it signals other parts which makes your body move like walk or to pick something up.
Muscular system: the muscular system such as your bones and muscles is what keeps the bones together so you could move/walk.
Hope this helped :)
Have a great day
