Which is NOT a role of the respiratory system(select all that apply) a. Taking in oxygen from the external environment
b. Moving air into the trachea and down the bronchi
c. Removing carbon dioxide from the alveoli
d. Transporting glucose to the cells

Most of the carbon on earth is stored in the form of

18. which statement about cancer is true?

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