What benefits are provided by the earth's atmosphere?

i am a student in gombe state university in nigeria and need answer to the question: what benefits are provided by the earth's atmosphere? it gives us atmosperic pressure,the ozone layer sheilds us from uv rays,the lonosphere layer allows us to bounce radiowaves off it thus giving us radio,it prevents water from vaporising and beeing lost by allowing clouds to form it prevents most metors from lending (it burns them up) also it helps the regulation of the earths teperature