Answer the following questions in detail.
1. State three important points about hydrosphere.
2. How is the atmosphere significant to us?
3. Describe the seven continents of the world.
4. Describe the major oceans of the world.
5. What is the biosphere? How many species of the lifeforms does it support?
Answers
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Answer:
Water is found in oceans, lakes, rivers, and streams, and is stored underground as groundwater. ... Water also exists in the atmosphere in the form of water vapor. All the water that exists on Earth is known as Hydrosphere.
Explanation:
2nd one ans
Many living things, including humans, need oxygen to breathe. The gases in the atmosphere also protect us from harmful solar rays, but not completely, which is why we often wear sunscreen. The gases trap heat, which the earth naturally produces. Without an atmosphere, the surface of the earth would be very, very cold.
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