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Answer:
A. atmosphere
Explanation:
The atmosphere is the thin envelope of gas molecules surrounding the Earth; it is held down by Earth's gravitational pull. The atmosphere is concentrated at the Earth's surface and rapidly thins as you move upward, blending with space at about 100 miles above sea level.
The atmosphere is the envelope of gas that surrounds Earth.
What is an atmosphere?
An atmosphere carries the air that we breathe and is a blanket of gases that surrounds Earth. it's far held near the floor of the planet via Earth's gravitational enchantment. A barometer is used to measure air pressure. Argon, oxygen, and nitrogen from the three primary constitutions of the atmosphere.
What are the types of atmosphere?
- troposphere,
- stratosphere,
- mesosphere,
- thermosphere,
- exosphere.
Learn more about the atmosphere here https://brainly.com/question/24925283
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