Which of the following statements about the atmosphere is correct?

1. Troposphere is the lowest layer of the atmosphere.
2. Ionosphere lies above the mesosphere.

Question

Which of the following statements about the atmosphere is correct?

1. Troposphere is the lowest layer of the atmosphere.
2. Ionosphere lies above the mesosphere.

Accepted Answer

**Solution:**

1. The **troposphere** is indeed the **lowest layer** of the Earth's atmosphere where most weather phenomena occur.

2. The **ionosphere** is a region of the atmosphere that lies **above the mesosphere** and includes parts of the thermosphere and exosphere. It is known for ionized particles and is important for radio communication.

Since both statements are correct, the answer is **Both 1 and 2**.

**Answer:** Both 1 and 2

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