1. What are catalysts? What do they do to activation energy? 2. What does the "arrow" in a reaction symbolize?

3. Is photosynthesis exothermic or endothermic?

4. What type of energy is required to carry out photosynthesis?

5. In rust, what to iron and oxygen combine to create?

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.