Picture goes with question 1
Processes #1 impacts carbon dioxide in the atmosphere by means of

a. absorbing CO2 via cellular respiration
b. releasing CO2 via photosynthesis
c. absorbing CO2 via photosynthesis
d. releasing CO2 via cellular respiration


Bill is a fisherman on the Gulf Coast, and he has noticed that over the past several years, the shrimp population has grown smaller. He wants to come up with a way to keep fishing for shrimp, but at the same time, he doesn't want the shrimp numbers to drop any further.

How could Bill accomplish this?


a. Keep fishing for shrimp, but at a different location.
b. Stop fishing for shrimp to let the population rebound.
c. Keep fishing for shrimp, but at a rate that lets the shrimp population start to grow again.
d. Keep fishing for shrimp, but start fishing for other fish as well.

Sustainable use is often defined as the use of natural resources at a rate that meets the needs of the present human population but which also allows future generations to use the resource to meet their needs. Which of these BEST illustrates the concept of sustainable use?


a. A logging company reseeds and replants in a forested area after cutting down trees for timber.
b. Coal is mined using underground tunnels to avoid the destruction of surface soils by strip mining.
c. Crops are rotated in a farmers field to maximize grain yields.
d. A fishing trawler use a large net to catch a school of small fish.