Practice Quiz

ASVAB General Science Questions - Question List

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16. 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
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17. Which of the following terms describes the single supercontinent that is believed to have existed over 250 million years ago before the continents were separated?
  1. Panthalassa
  2. America
  3. Euramerica
  4. Pangaea
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18. Which of the following affects natural selection?
  1. Changes to the environment
  2. A small gene pool
  3. Antibiotics
  4. All of the above
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19. Approximately what percentage of the earth’s surface is covered by water?
  1. 50%
  2. 70%
  3. 90%
  4. 35%
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20. Which of the following best describes why the earth has seasons?
  1. The earth’s tilt
  2. The earth’s revolution around the sun
  3. The relationship between the earth and the moon
  4. Both A and B
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