Choose the Item That Best Matches Each Item in the Following

Multiple Choice

Choose the item that best matches each item in the following:
-Organic matter under high compression that forms solid carbon structures

A) peat
B) carbon dioxide
C) mulch
D) crude oil
E) nuclear
F) aerobic
G) coal
H) anaerobic
I) hydrogen fuel cell
J) geothermal
K) natural gas
L) petroleum