Question

Coal mainly contains
a. carbon.
b. carbon and hydrogen.
c. carbon, hydrogen and nitrogen.
d. carbon, nitrogen and oxygen.​

Answer 1

Answer:

a. carbon

Explanation:

Coal contains mainly carbon.

Answer 2

Answer:

carbon

Explanation:

becoz coal is made up of dead n decay animal n trees which bured into land several years ago.

hope it will help u