Define the term atmosphere

1.	Define the term atmosphere
Answer» An atmosphere is a blanket of gases that surrounds Earth. It is held near the surface of the planet by Earth’s gravitational attraction. Argon, oxygen and nitrogen from the three main constitutions of the atmosphere.The atmosphere:\tcontains the air that we breathe\thelps retain the sun’s heat and prevents it from escaping back into space\tprotects life from harmful radiation from the sun\tplays a major role in Earth’s water cycle\thelps keep the climate on Earth moderate

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