Question

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Answer 1

Answer:

which class is it tell us,then we'll answer.

Answer 2

1. The average weather condition of a place over a long period of time is called climate.
2. The carbon dioxide and water vapour in the lower layers of the atmosphere absorb the heat radiated from the earth surface and keep the atmosphere warm even during the night. This is known as the Green house effect.
3. Increase in global temperatures brought about due to the increased emission of greenhouse gases into the atmosphere is called Global Warming.
4. The rise in temperature causes the snow in coldest parts of the earth to melt. As a result, the sea level rises, causing floods in the coastal areas. There may be drastic changes in the climate of a place leading to extinction of some plant and animal species in the long run.
5. Some of the home appliances that add to global warming are..(i) refrigerator, (ii) Air conditioner, (iii) Light switch, etc...
6. The United States of America was the country that hosted the last world convention to protect the environment.

1. Greenhouse gases
2. Electronic appliance
3. 1.0° farenhite

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