What agent polishes rocks smooth as a glacier passes?

A) meltwater
B) glacial flour
C) ice
D) transported pebbles


Answer: B

Environmental & Atmospheric Sciences

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If the scale of a map is 1:36,000, then 1 inch on the map equals how many FEET on Earth's surface?

A) 1 B) 3,000 C) 3,600 D) 36,000

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In 2003, the largest source of immigrants to Canada, ________ percent, came from the People's Republic of China, compared with a meager ________ percent from Great Britain

A) 16; 2.3 B) 50; 22 C) 22; 5.5 D) 95; 1.6

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Which of the following is the biggest megacity in the World?

A) Seoul B) New York C) Delhi D) Sao Paolo E) Tokyo

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Which of these mineral assemblages is characteristic of a greenschist facies?

A) Potassium feldspar, biotite, and quartz B) Chlorite, epidote, and serpentine C) Hornblende D) Quartz and muscovite

Environmental & Atmospheric Sciences