Multiple choice

What would happen if Earth had no atmosphere?

  1. The days would be cold and the nights would be hot.

  2. The days would be hot and the nights would be cold.

  3. Earth would not have days.

  4. Earth would not have nights.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Without an atmosphere to trap heat during the night and block intense solar radiation during the day, temperatures would swing wildly. Days would be extremely hot due to direct sunlight, and nights would be freezing cold as heat escapes into space.

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