Trophic structure refers to the pattern of food consumption in an ecosystem

a. True
b. False
Indicate whether the statement is true or false


True

Environmental & Atmospheric Sciences

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What is the principal cause of soil erosion?

A. activities of animals B. wind C. running water

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Much of the southwestern United States is desert because (choose as many as apply)A) it is near 30° NorthB) the western mountains create a rain shadowC) cold ocean currents in the Pacific cause high evaporation rates in the landD it is a great distance from the ocean

What will be an ideal response?

Environmental & Atmospheric Sciences

Price is a function of ________.

A. location B. demand and location C. supply and demand D. demand E. supply

Environmental & Atmospheric Sciences

The Doctrine of Prior Appropriation

A. is most commonly applied where there is abundant surface water to appropriate. B. includes a provision that, in times of water shortage, all users are equally entitled to use water as needed. C. establishes a hierarchy of water rights among users based on the date of first water use by each. D. All of the choices are correct.

Environmental & Atmospheric Sciences