What is the process which converts atmospheric nitrogen into forms needed by plants?

A. Physical weathering
B. Dissolution
C. Biological activity
D. Chemical weathering


Answer: C

Environmental & Atmospheric Sciences

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Over time, people and their cultures shape natural environment to give us cultural landscapes

Indicate whether this statement is true or false.

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An elevator does 1000 J of work in elevating it one floor in 20 s. The power used by the elevator is

A. 20 W B. 100 W C. 50 W D. 1000 W

Environmental & Atmospheric Sciences

Oil window refers to a narrow range of temperature when oil forms. This temperature range is:

a. 90 ºC b. 90 - 160 ºC c. 160 - 225 ºC d. 225 - 250 ºC

Environmental & Atmospheric Sciences

Which area(s) on this world map are likely to be near a plate boundary?

A. A and D B. A and B C. A, B, and C D. C and D E. B and D

Environmental & Atmospheric Sciences