Question

As steel replaced iron, people also began looking for new fuels. Which of the following fuels became popular in the late nineteenth century?

A.
wood

B.
petroleum

C.
coal

D.
nuclear energy

Answer 1

What do you think is is? And btw I am looking it up. :)

Answer 2

i think a or c

Answer 3

oh okay

Answer 4

Okay I think it would be C, but I am not positive, don't take my word for it. C came up more often then any of the other answers.

Answer 5

iwil try c