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blueotter226Lv1
11 Dec 2019
How is electricity generated from hydroelectric dams or ocean tides?
A. water is pumped upward and then back down
B. turbines are used to pump the water upward and generators produce electricity
C. water piles up behind a dam or tidal barrier and flows down because of gravity
D. all of these
How is electricity generated from hydroelectric dams or ocean tides?
A. water is pumped upward and then back down
B. turbines are used to pump the water upward and generators produce electricity
C. water piles up behind a dam or tidal barrier and flows down because of gravity
D. all of these
Amana RangarajanLv9
18 Oct 2020