Answers: 2
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 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Difference between gravity and accerleration due to gravity....
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Social Studies, 06.04.2021 23:30
Chemistry, 06.04.2021 23:30
History, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Mathematics, 06.04.2021 23:30
Social Studies, 06.04.2021 23:30