"water energy" = Hydro electricity. Depending where the dam is, it can be detrimental to the environment. Also, nuclear is cheaper.
They are incredibly inefficient.
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There are relatively few locations where it can be used.
its power output is not predictable
They are incredibly inefficient.
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The advantage of using solar, wind, and hydroelectric energy is that these energy sources are environmentally friendly, and they do not run out. The disadvantage is that they are generally more expensive to implement than traditional sources of energy like oil and gas.
cus its wank
There are relatively few locations where it can be used.
Major Disadvantage of synthetic detergents are that they are non bio degradable and thus they cause water pollution.
Solar panels work well only in sunny areas.
The disadvantage is it is very expensive and it need a lot of water to get power
Reservoirs of hot water and steam are eventually used up