Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: More carbon in the atmosphere means atmospheric warming. Given the two facts above, what increases when fossil fuels are burned?

Pick from:
[I] Greenhouse gasses.
[II] Greenhouse gases.
[III] cancer.
[IV] wood ash.
[V] atmospheric warming.
[VI] coal.
[VII] heat energy.
[VIII] Temperature.
Answer:
[V]