Which of the following statements about pumped storage are true?
select all that apply
it is does not require a large amount of capital.
it is useful in areas with nuclear power stations that have to run 24/7 and with light load in the pm
it is useful for peak shaving.
it requires two bodies of water that are at different heights

 It is useful for peak shaving and It requires two bodies of water that are at different heights

Explanation:

 Pumped storage are useful for peak shaving and it requires in two bodies of the water which are at the different heights as, the pumped storage are useful solution for the grid reliability and providing the large scales by the affordable means of the storing and deploying electricity. The pumped storage are stored and generated the energy by the moving water in the two reservoirs at the different elevations.

5.4%

explanation:

the acceptance rate for harvard is 5.4%. this means only 5 percent of people who apply actually get accepted!

the following sets of characteristics describe what we know about the outer plants is c. rocky surface, closet to the sun and larger in size