What is the greenhouse effect?

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(B) The greenhouse effect is a natural process that warms the Earth's surface.When the Sun's energy reaches the Earth's atmosphere,some of it is refle

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The trapping of heat radiations by the Earth's atmosphere,leading to an increase in temperature.

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(B) The greenhouse effect is a natural process that warms the Earth's surface.When the Sun's energy reaches the Earth's atmosphere,some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.The confinement of these heat radiations by the Earth's atmosphere,which prevents them from escaping into space,thereby raising the global temperature,is called the greenhouse effect.

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