Question

The world's known coal reserves are expected to last for about:; A. 200 years; B. 400 years; C. 500 years; D. 100 years

Answer 1

Answer:

D. hundred year

Explanation:

as the humans are using this coalon large amount for producing electricity or to run the vehicles .for making the vehicles or spacecraft fuels it is used on a large scale

Answer 2

Answer:

200 years

Explanation:

within 200 yrs coal will exist