Physics, 17.04.2020 23:28 decoreyjpaipxv
Astronomers believe that early galaxies grew from the repeated mergers of smaller gas clouds. If this idea is true, then the properties of galaxies must have changed over time. Determine whether each property below increases or decreases over time, and then sort each property into the appropriate bin.
Answers: 3
Physics, 23.06.2019 01:30
Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.
Answers: 1
Astronomers believe that early galaxies grew from the repeated mergers of smaller gas clouds. If thi...
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