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      Question

      Which of the following type of rays does NOT penetrate

      Earth's atmosphere?
      A Visible Light Correct Answer Incorrect Answer
      B X-Rays Correct Answer Incorrect Answer
      C Ultraviolet Rays Correct Answer Incorrect Answer
      D Radio Waves Correct Answer Incorrect Answer

      Solution

      In contrast, our atmosphere blocks most ultraviolet light (UV) and all X-rays and gamma-rays from reaching the surface of Earth.

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