The fall equinox in the Southern Hemisphere occurs on this date.

June 21
March 21
September 21
December 21


March 21

Environmental & Atmospheric Sciences

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True or False: Thrust faults are formed by horizontal movement along the strike direction of the fault plane

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences

Roughly how fast do most lithospheric plates move?

A) about 5 kilometers per year B) about 5 kilometers per thousand years C) about 5 centimeters per hour D) about 5 centimeters per year

Environmental & Atmospheric Sciences

A glacier's downstream end ________

A) is where new ice is added through compaction of snowfall B) is in the zone of wastage C) is where the fastest flow occurs D) is where cirques get carved out

Environmental & Atmospheric Sciences

Which characteristic is a disadvantage of hydroelectric plants?

A. low net energy B. large land disturbance C. little untapped potential D. high-cost electricity E. high emissions of carbon dioxide

Environmental & Atmospheric Sciences