Answers by Sebastian Nielsen
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Answers by Sebastian Nielsen

Answers by Sebastian Nielsen
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The two nutrients that typically limit primary productivity of ecosystems are phosphorus and __________. A. calcium B. carbon C. nitrogen D. sodium
answered Apr 1, 2017
4 votes
18.2k views
Which winds did early explorers prefer to use in their travels? A. Horse latitudes B. Trade winds C. Doldrums D. Polar easterlies
answered Mar 25, 2017
3 votes
14.3k views
An airplane travels 2100 km at a speed of 500 km/hr encounters a head wind that decreases its speed to 400km/h for the next three hours and then travels the last 400km to complete the trip at an average
answered Jan 16, 2017
6 votes
49.9k views
Howard pays $327 for one dozen collector’s edition baseball cards. About how much does he pay for each baseball card?
answered Jan 27, 2016
7 votes
133k views
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