The 41,000 year variation in the tilt of Earth's axis is called the:

a. precession cycle.
b. eccentricity cycle.
c. obliquity cycle.
d. unicycle.


C

Environmental & Atmospheric Sciences

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According to the graph, what year was the Montreal Protocol most likely to have been enacted?

A) 2000 B) 1990 C) 1984 D) 1982 E) 1987

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Which area is LEAST likely to have a flash flood?

a. western Washington state b. southern Arizona c. eastern Nevada d. southern Texas e. central South Dakota

Environmental & Atmospheric Sciences

Fractured rocks weather more rapidly than unfractured rocks.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

What New Zealand species was hunted to extinction by the Maori?

A) kauri B) beech C) kiwi D) moa E) none of the above

Environmental & Atmospheric Sciences