what is greenhouse effect? state its importance to us?
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Answer:
The greenhouse effect refers to the ability of the atmosphere to trap the sun's heat, increasing the temperature of the planet. When the sun's energy reaches Earth, the atmosphere absorbs some of it on the way down, and then absorbs more when that energy reflects back off the surface during the day.
→ 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 & re-radiated by greenhouse gases.
→ The Absorbed energy warms the atmosphere and the surface of the Earth.
★ Greenhouse gases let the sun's light shine onto the Earth's surface but they trap the heat that reflects back up into the atmosphere.
★ In this way, they act like the insulating glass walls of a greenhouse.
★ The greenhouse effect keeps Earth's climate comfortable.
★ The greenhouse effect is important, because it contributes to the survival of life on Earth.
★ Without the greenhouse effect temperature of the planet would be similar to conditions experienced on the moon.