Biology, 12.07.2019 08:00, candymorgan81
Which type of simple machine reduces the amount of input force needed? a. chopsticks b. ramp c. hockey stick d. weight machine this is science
Answers: 2
Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
Answers: 1
Biology, 22.06.2019 07:00, erikagibson3414
What controls activities within a eukaryotic cell?
Answers: 2
Which type of simple machine reduces the amount of input force needed? a. chopsticks b. ramp c. h...
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