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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.
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Physics, 22.06.2019 03:00
If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
Answers: 3
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
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Social Studies, 31.01.2020 17:52
Mathematics, 31.01.2020 17:52
Chemistry, 31.01.2020 17:52
Biology, 31.01.2020 17:52
Social Studies, 31.01.2020 17:52
Chemistry, 31.01.2020 17:52
Chemistry, 31.01.2020 17:52