Choose the Item That Best Matches Each Item in the Following

Multiple Choice

Choose the item that best matches each item in the following:
-An environment that has little or no oxygen

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