The atmosphere has many functions, such as

Supporting life , regulating climate

Explanation:

Atmosphere has several functions , like -

a) It provides oxygen to all living beings and thus maintain the life cycle process on planet earth

b) It forms an important part of all bio-geochemical cycles going on planet earth by acting as an interface

c) It protects the earth from harmful solar radiations such as Ultraviolet light.

d) It maintains the pressure to keep all matter in their forms.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in