Burning which of these increases carbon in the atmosphere?
wind energy natural gas green manures Greenhouse gases solar energy Conifers engines oxygen
A B C D E F G H
Natural gas is the cleanest of the fossil fuels.
Burning natural gas increases the carbon in the atmosphere
Burning which of these increases carbon in the atmosphere? (A) wind energy (B) natural gas (C) green manures (D) Greenhouse gases (E) solar energy (F) Conifers (G) engines (H) oxygen