All of the following are true of swallowing (deglutition) except one. select the statement that is not true of swallowing.
a. the epiglottis assists in propelling food into the trachea.
b. the involuntary portion of swallowing takes place in the pharynx.
c. the mouth, pharynx and esophagus all take part in swallowing.
d. the voluntary phase of swallowing takes place within the mouth.

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