Multiple choice

The layer of atmosphere close to the earth's surface is called�

  1. Exosphere

  2. Troposphere

  3. Stratosphere

  4. Ionosphere

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The troposphere is the lowest layer of Earth's atmosphere, extending from the surface up to about 10-15 km. All weather phenomena occur in this layer. The exosphere is the outermost layer, stratosphere contains the ozone layer, and ionosphere is within the thermosphere.