Who can help me with the 3,4,5

Speed is the ratio of the distance of an object moves to

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.

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus