As oil resources are depleted the ratio, or energy return on investment (EROI), will

A. increase.
B. decrease.
C. remain steady.
D. be greater than one.
E. become equal to one.


Answer: B

Environmental & Atmospheric Sciences

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A large, rapid mass wasting event that is difficult to classify is often called a(n) _____

a. ground tsunami b. landwave c. landslide d. landflow e. earthslide

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Dinosaurs and large mammals coexisted during the Mesozoic era

Indicate whether this statement is true or false.

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Folded limestones that occur high in the Himalayas were originally deposited as sediments in a ________.

A) late Paleozoic syncline north of the Tibetan Plateau B) deep ocean trench along the southern margin of India C) marine basin between India and Eurasia D) Cenozoic fault basin between Africa and Arabia

Environmental & Atmospheric Sciences