air chapter class 7th define greenhouse effect
Answers
Answer:
A Greenhouse effect is a natural process that warms the Earth's surface. greenhouse gases include water vapour carbon dioxide Ozone and some artificial chemical such as chlorofluorocarbons (CFCs). The absorbed energy warms the atmosphere and surface of the earth.
Answer:
1.The greenhouse effect is a way in which heat is trapped closed to Earth's surface by "greenhouse gases".
2.The atmosphere partly observes and partly disperses the heat coming down on the surface of the Earth during the day.
3.Similarly, at night the earth would have a emitted all the heat received from the Sun during the day.
4.This would have cooled the surface of the Earth not facing the sun to below freezing point.
5.This ability of the atmosphere to retain heat absorbed during the day and to trap it during the night is called the greenhouse effect.