Answer :
Final answer:
The atmosphere is the layer of gases that envelops Earth and plays a vital role in supporting life on the planet.
Explanation:
Atmosphere: the thin layer of air, mostly nitrogen and oxygen, that surrounds the Earth. It serves as a protective shield and medium for heat and water transport, essential for life on Earth.
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https://brainly.com/question/32358340
Answer: A. Atmosphere
Explanation:
The envelope of gas that surrounds the Earth is called the atmosphere. It is made of 78% nitrogen, 21% oxygen, 0.03% carbon dioxide, 0.9% argon, and other gases. The atmosphere traps the energy and heat that comes from the sun to prevent it from escaping to space.