Earth-related question-answer
= The Earth is surrounded by a layer of air called the atmosphere.
2. What is the ozone layer?
= The Earth has a protective blanket around it called the ozone layer. It is present in the atmosphere and absorbs the harmful rays of the Sun.
3. What are oceans?
= Large bodies of saline water which cover a major portion of the Earth's surface are called oceans. There are five oceans in the world.
4. What are continents?
= Large areas of land on the Earth's surface are called continents. There are seven continents in the world.
5. What is an orbit?
= The Earth moves along a fixed path around the Sun. This fixed path is called the orbit.
6. What is the fifth largest planet in the solar system?
= The Earth is the fifth largest planet in the solar system.
7. What is the shape of the Earth?
= The shape of the Earth is spherical.
8. How many days does the Earth take to complete one rotation?
= The Earth takes 24 hours to complete one rotation.
9. How many days does the Earth take to complete one revolution?
= The Earth takes 3651/4 days to complete one revolution.
10. Which gas in the atmosphere makes life possible on Earth?
= Oxygen makes life possible on Earth.
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