Why is iron not abundant in the ocean?

A) It is trapped in the Earth's crust.
B) It is held in sediments.
C) It is nearly insoluble in oxygenated water.
D) It is not very reactive.


C

Environmental & Atmospheric Sciences

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If you just want to go for a swim in a meandering river and want to find a sandy beach, where is the best place to look for your swimming hole?

a. outside bend of the meander loops b. a point bar on the inside bend of a meander c. a cut bank

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Compare and contrast the various types of depositional environments in which evaporite deposits

form. How do these deposits differ? What will be an ideal response?

Environmental & Atmospheric Sciences

The increase in world population is now

A) accelerating. B) slowing down. C) remaining about the same. D) cannot tell

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The first domestication of crops and animals occurred about ________ years ago

A) 5 million B) 2 million C) 500,000 D) 100,000 E) 10,000

Environmental & Atmospheric Sciences