AlexG75 AlexG75

11-12-2020
Engineering

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What year did coal become a part of the energy mix? What year did it provide more than 50 percent of the energy mix? How many years did this take? What is its contribution today?

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winwansk winwansk

11-12-2020

Answer:

I don't know I just need points

Explanation:

it was 1880 when coal was first used to

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