Questions 1. Why must the pot plant be kept in the dark for 48 hours before being used for the investigation?
2. Which part of the leaf is the experiment? (Remember that the experiment is the part of the apparatus that is exposed to the variable that is being tested.)
3. Which part of the leaf is the control? (Remember that the control is the part of the apparatus that is not exposed to the variable that is being tested.)
4. What did you observe when the leaf was tested for starch?
5. Explain your results,​

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes