Question

The gaseous envelope around the earth is known as atmosphere. The lowest layer of this is extended up to 10 km from sea level, this layer is _________.

• A. Troposphere
  
• B. Hydrosphere
  
• C. Mesosphere
  
• D. Stratosphere
  

Answer 1

The correct option is A Troposphere


Layers of Atmosphere

The gaseous envelope which covers the earth is known as atmosphere. The five layers of the atmosphere are:

- Troposphere
- Stratosphere
- Mesosphere
- Thermosphere
- Exosphere

The Troposphere is the lowest layer of the atmosphere. It extends upto 10 km above sea level.

Hence, option (B) is correct