1.2.9 Discuss: Investigation Cycling of 02 and C02 Write a brief summary of the main steps you took in the investigation. Be sure to include any
adjustments you made to the procedure and why you made them.

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.