Two resistors, an R1 of 400 ? and an R2 of 600 ?, are connected in parallel across a 60 mA current source. The current through R1 is
A) 24 mA B) 36 mA C) 12 mA D) 60 mA
B
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The Packers and Stockyards Act of 1921
A) established the Packers and Stockyards Administration, still exists today. B) reinforced antitrust laws regarding livestock marketing. C) was the principal legislation exempting cooperatives from antitrust laws. D) Both A and C
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Consider the heat engine in the diagram shown. If the engine is a Carnot engine, TL of the low temperature reservoir is nearest:
A) 30ºC
B) 16ºC
C) 8ºC
D) ?10ºC
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Which of the following would NOT be considered an organic fertilizer?
A) compost B) manure C) commercial fertilizers D) cover crops
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The ____ zone is the part of the ocean where sunlight penetrates the water enough to support photosynthesis
A) bathyal B) neritic C) euphotic D) abyssal
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