Answer:
by the process of photosynthesis
Oxygen ... The biogeochemical cycle of phosphorus differs from the cycles of carbon and nit.
Answer:
Nitrogen about 77 percent of the atmosphere is composed of nitrogen
The nucleus contains most of the genetic material, or DNA, of the cell.
Structures built on land underlain by weak mud that could liquefy are prone to collapse in an earthquake. Also structures built on top of, on, or at the base of steep escarpments could fail and produce landslides.