Data on atmospheric carbon dioxide concentrations from Mauna Loa, Hawaii, show that
A) there is no consistent pattern in carbon dioxide concentration fluctuations.
B) carbon dioxide concentrations decrease in winter.
C) outgassing from the active volcanoes in Hawaii renders the data unusable.
D) the concentration of carbon dioxide in the atmosphere is increasing.
E) none of the above
D
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What could happen if this well is overpumped?
A) It will run out of water and become a dry well.
B) It will yield more water over time.
C) The water table will drop, causing sand to flow into the well.
D) The bottom of the lens of fresh water will rise, causing the well to draw in salt water.
What is thought to aid the proliferation and spread of hydrothermal vents?
a. Seep communities b. Climax communities c. Whale falls d. Succession
Rubber, timber, and tin were major exports of Malaysia, as well as other South East Asian colonies
Indicate whether the statement is true or false
Averaged over the year, high latitudes receive less insolation than low latitudes
a. True b. False Indicate whether the statement is true or false