Which of the following is a good scientific hypothesis? plants grow towards windows because the sun provides the food they need. if sunlight causes skin cancer, then people should stay out of the sun. plants that don't get sunlight will die. if a plant is exposed to only blue light, the plant will grow more slowly.

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