4. which of the following correctly orders the steps in liquid waste excretion? o a. ureters kidneys → urinary bladder → urethra o b. urethra → urinary bladder → kidneys → ureters o c. kidneys → urethra → urinary bladder → ureters o d. kidneys - ureters → urinary bladder → urethra

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