Which is the largest reservoir of phosphate that is not directly affected by humans?

A. marine sediments
B. sewage
C. synthetic fertilizer
D. mining waste


Answer: A

Environmental & Atmospheric Sciences

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The auroras are caused by charged particles originating from ____

A) Earth's atmosphere B) solar wind C) the North Pole D) the South Pole

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During the Northern Hemisphere winter, isotherms are ____ those observed in July

A) farther apart than B) varied depending on proximity to landmasses compared to C) closer together than D) equally spaced as

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Why do most sediments end up being deposited in oceans instead of other parts of the Earth?

What will be an ideal response?

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