Question

what is nitrogen cycle ??? what is ozone layer ???

Answer 1

the nitrogen cycle is the biochemical cycle by which nitrogen is converted into multiple Chemical forms as it circulate among atmosphere terrestrial and marine ecosystem

Answer 2

The ''nitrogen cycle'' is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems.

The Ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.