Answer:
Explanation: It depends can the electricity be produced with solar power
or wind power. If fossil fuels are only way to replace power produced by
hydroelectric power, it is not advisable not to take it off production.
Somewhere certain stairs or bypasses are done to fishes which are going upstream.
x or y because both can cause it
That easy..............<span>21 one is your technical answer according to todays rules but scientist used to think it was only 20 so 20 would be your answer</span>