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Type: Multiple-Choice
Category: Oceanography and Hydrology
Level: Grade 7
Tags: salinity
Author: meganber
Last Modified: 6 years ago

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Oceanography and Hydrology Question

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Grade 7 Oceanography and Hydrology

What is the average salinity at the ocean surface?
  1. 35 ppt
  2. 40 ppt
  3. 45 ppt
  4. 25 ppt