Which statement accurately compares the environmental impact of acquiring coal and refining crude oil?
1.both require underground mines to be constructed.
2.both emit more greenhouse gases than natural gas does.
3.both are considered clean-burning fossil fuels.
4.both are processed underground, which can cause sinkholes.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.