If a rock is slowly heated to 1200°C, the first minerals to melt would be quartz and potassium feldspar.

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


True

Environmental & Atmospheric Sciences

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Since the turn of this century, CO2 in the atmosphere has:a

been increasing in concentration. b. been decreasing in concentration. c. remained at about the same concentration from year to year. d. disappeared entirely.

Environmental & Atmospheric Sciences

Mount Pelee on the Island of Martinique erupted in the early 20th century. Why is this eruption famous?

A) It was a small cinder cone on an island that erupted in a sugar cane field. B) The volcano produced a pyroclastic flow that swept down the mountain, killing thousands of people. C) It was the first caldera forming eruption observed by modern scientists. D) It produced a major lateral blast that leveled a city, killing many people.

Environmental & Atmospheric Sciences

Abyssal hills are single, rounded domes extending at least 3 km above the deep-sea floor.

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

Environmental & Atmospheric Sciences

Drops of water that drip from a leaky faucet become

A. farther apart as they fall. B. closer together as they fall. C. a fixed distance apart as they fall. D. none of the above

Environmental & Atmospheric Sciences