You are less likely to see a total solar eclipse than a total lunar eclipse because a. the moon’s shadow covers all of earth during a solar eclipse. b. new moon phases occur less often than full moon phases. c. only people on the daytime side of earth can see a solar eclipse. d. the moon’s umbra only covers a small area on earth’s surface

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.