The layer of air around the earth is known as ____

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the layer of air that surrounds the Earth.

2. **Identifying the Layer**: We know that the Earth is surrounded by a layer of air. This layer is crucial for life as it contains various gases.

3. **Composition of Air**: The air around us is made up of several gases, with nitrogen being the most abundant, followed by oxygen, carbon dioxide, argon, and water vapor.

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