Greenhouse effect helps keep our planet from being very cold. How does it do this?
The greenhouse effect is caused by greenhouse gasses like carbon dioxide. Some sunlight is absorbed by the sun. Some is reflected back to space. Some sunlight that is reflected is caught by greenhouse gasses which helps warm the earth. Having the right amount of greenhouse gasses is important. Because having too many will warm the earth too much. While less greenhouse gasses means earth is getting warmed less.
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