Question

why is the atmosphere essential for life?.....​

Answer 1

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Carbon dioxide and oxygen are the gases in the atmosphere that are needed for life. Plants need carbon dioxide for photosynthesis. They use sunlight to change carbon dioxide and water into food. The process releases oxygen.

Answer 2

We are lucky to have an atmosphere on Earth. The atmosphere supports life and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear.

atmosphere helps to protect living organisms from genetic damage by solar ultraviolet radiation, solar wind and cosmic rays. The current composition of the Earth's atmosphere is the product of billions of years of biochemical modification of the paleoatmosphere by living organisms.