Answers: 3
Physics, 21.06.2019 20:00
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
Answers: 1
Physics, 22.06.2019 00:00
An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge
Answers: 2
Physics, 22.06.2019 07:00
Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
Answers: 1
Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
When you get spanked with a belt...
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