A machine puts out 100 W of power for every 1000 W put into it. The efficiency of the machine is

A) 10 percent.
B) 50 percent.
C) 90 percent.
D) 110 percent.
E) none of the above


A

Environmental & Atmospheric Sciences

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What two European groups, beside the Spanish, sent explorer to California coast?

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a. ?steppe b. ?savannah c. ?chaparral d. ?tundra e. ?taiga

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