High-latitude ocean water tends to support large planktonic communities because ________
A) there are fewer predators that feed on plankton
B) of the longer summer day length
C) of higher dissolved oxygen and nutrient concentrations
D) there is abundant light
E) of higher dissolved carbon dioxide
C
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Which wind belt is located at letter D?
A. Southeast Trade Winds B. Westerlies C. Polar Easterlies D. Northeast Trade Winds
What type of volcano is Mount Rainier?
A. caldera B. shield C. scoria cone D. composite
Whether using a food crop as a source of biofuels is environmentally sustainable would depend upon all of the following, except ________
A) the corporate profits that would be made B) the amount of fertilizers used and their impact on aquatic ecosystems C) the impact on food supplies and prices D) the amount of water and land necessary for the crops E) the amount of pesticides used and their impact on biodiversity and groundwater
The most extensive anthropogenic biome is croplands
Indicate whether the statement is true or false