Which statement best explains how salmon obtain and use matter to support their biological functions?
A)Salmon break down carbon, hydrogen, and
oxygen atoms obtained from food into smaller, energy-rich elements.
B) Salmon use the carbon, hydrogen, and oxygen atoms obtained directly from seawater and the atmosphere to form
sugars and proteins.
C) Salmon use complex, carbon-based molecules obtained directly from seawater and the atmosphere to produce other
complex molecules, such as fats.
D) Salmon break bonds in complex food molecules to release the carbon, oxygen, and hydrogen atoms needed for the
formation of other molecules.

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