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Type: Multiple-Choice
Category: Oceanography and Hydrology
Level: Grade 9
Score: 2
Author: gab1babyb
Last Modified: a month ago

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Oceanography and Hydrology Question

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Grade 9 Oceanography and Hydrology

What is the hydrosphere?
  1. the gases in the air
  2. the solid, rocky part of Earth
  3. all of the water on the planet
  4. the study of Earth's atmosphere
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