Question

for my topic,there will be no disadvantages,but I will mention the importance along with the ill -effects of not having plants around​

Answer 1

Answer:

An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.

Answer 2

Answer:

An atmosphere is a layer or a set of gases surrounding a planet or other material body