A common pulley is effectively a

A. hydraulic press.
B. common lever.
C. tension producer.
D. gear.


Answer: B

Environmental & Atmospheric Sciences

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What is a frustule?

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If you visited Curitiba, Brazil, you would expect to find

a. no recycling program b. a sophisticated bus system c. very polluted air d. residents who wish to relocate to other cities e. no high-rise apartments

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In the region of Sub-Saharan Africa, where is Mount Kilimanjaro located?

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