Multiple choice

Why are green house gases a problem?

  1. They're not

  2. They are trapping too much heat into the Earth's atmosphere

  3. They are making it hard to see

  4. They are too green
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Greenhouse gases trap heat in the Earth's atmosphere, preventing it from escaping into space. This process, known as the greenhouse effect, leads to global warming.

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