It has been difficult to reduce sediment pollution in streams because
A. sediment comes from point sources.
B. only chemicals are easily controlled.
C. sediment comes from nonpoint sources.
D. very small amounts are dangerous.
Answer: C
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Which of the following is most likely to be associated with a confined aquifer?
A) Perched water table B) Lake C) Artesian well D) Unsaturated zone
From continent to deep-ocean basin, what is the order of offshore environments?
a. continental shelf, continental slope, continental rise b. continental slope, continental shelf, continental rise c. continental slope, continental rise, continental shelf d. continental rise, continental slope, continental shelf e. continental rise, continental shelf, continental slope
Generally speaking, a spill of crude oil is more dangerous to marine life than a spill of refined oil
Indicate whether the statement is true or false
Cheatgrass is an exotic plant that continues to invade the sagebrush steppe ecosystems of the western interior United States. It is likely to decrease the ________ of the region
Fill in the blank(s) with correct word