Answer:
1. Hypothesis: Increasing water temperature will increase the solubility rate.
2. Hypothesis: Pounding the coffee granules will increase the solubility rate.
3. Hypothesis: Adding sugar to coffee will increase the solubility rate.
4. Hypothesis: Increased sunlight will result in increased plant growth.
5. Hypothesis: Increased water will result in increased plant growth.
6. Hypothesis: The type of soil will have an impact on the rate of plant growth.
Step-by-step explanation: