(7th grade science)
which kind of energy transformation occurs in a gasoline-powered car?

a. chemical energy is converted into mechanical energy.
b. mechanical energy is converted into light energy.
c. light energy is converted into sound energy.
d. sound energy is converted into chemical energy.

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.