Question

20 (c) Replace the following with a word or phrase

the layer of air surrounding the earth

Answer 1

The layer of air surrounding the earth is called the Atmosphere

• A thin layer of air surrounds the Earth. This layer extends up to many kilometers above the surface of the earth and is called the atmosphere.
• Because it contains oxygen and other vital gases that people require for sustenance, this makes the atmosphere necessary for life.
• The atmosphere is the protective blanket/covering that surrounds the earth.
• It filters harmful radiations and other particles entering the earth's atmosphere.