The region of the atmosphere lying upto 11 km from earth's surface is called whereas that lying above it upto 50 km is called _____________

Answer

To answer the question regarding the layers of the atmosphere, let's break it down step by step:

### Step 1: Identify the first layer of the atmosphere
The question states that we need to identify the region of the atmosphere lying up to 11 kilometers from the Earth's surface. This layer is known as the **troposphere**.

### Step 2: Identify the second layer of the atmosphere
Next, the question asks for the region lying above the troposphere, extending from 11 kilometers to 50 kilometers. This layer is known as the **stratosphere**.

### Final Answer
Thus, the complete answer to the question is:
The region of the atmosphere lying up to 11 km from the Earth's surface is called **troposphere**, whereas that lying above it up to 50 km is called **stratosphere**.

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