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Praxis II General Science: Content Knowledge Exam Prep

Category - Praxis II General Science Content Knowledge Test Prep

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Which of the following is believed to be detrimental to humans in the next few billion years on earth?
  1. The speed at which the earth will rotate
  2. The angle at which the earth will rotate
  3. Harsh summers and winters
  4. The ozone
Explanation
Answer: D- The ozone is believed to be detrimental to humans in the next few billion years on earth. The ozone absorbs most of the sun's high frequency ultraviolet light, protecting us from it. Certain pollutants are depleting the ozone layer.
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