Quiz-10

.docx

School

University of Minnesota-Twin Cities *

*We aren’t endorsed by this school

Course

3301

Subject

Geography

Date

Oct 30, 2023

Type

docx

Pages

Uploaded by alswjddl777

Question 1 Incorrect Grade 0.00 out of 1.00 Flag question Question text Which waterbody is NOT protected by the Federal Clean Water Act? Select one: a. Oceans b. Rivers c. Wetlands d. Estuaries e. Lakes Feedback Your answer is incorrect. The correct answer is: Oceans Question 2 Incorrect Grade 0.00 out of 1.00 Flag question Question text Chlorophyll-a levels are associated with clear, high quality water Select one:

True False Feedback The correct answer is 'False'. Question 3 Correct Grade 1.00 out of 1.00 Flag question Question text Sediment is one of the primary stressors on water quality worldwide. Soil may be eroded via a number of physical processes and subsequently carried to streams degrading water quality and habitat. Match the following statements with the corresponding erosion processes and issues. soil erosion process that leads to the creation of a defined channel Answer 1 soil detachment process from fields that occurs in a flat, gradual flow Answer 2 conventional plowing has increased erosion rates 1 - 2 orders of magnitude over natural background levels Answer 3 Feedback Your answer is correct.

The correct answer is: soil erosion process that leads to the creation of a defined channel → gully erosion, soil detachment process from fields that occurs in a flat, gradual flow → sheet erosion, conventional plowing has increased erosion rates 1 - 2 orders of magnitude over natural background levels → effect of agriculture on erosion rates Question 4 Correct Grade 1.00 out of 1.00 Flag question Question text What does TED speaker, Dianna Cohen, suggest should be the 4th "R": Reduce -> Reuse -> Recycle -> ?? Select one: a. Rethink b. Reboot c. Refuse Refuse to buy things using single-use/disposable plastic d. Revisit Feedback Your answer is correct. The correct answer is: Refuse Question 5 Correct Grade 1.00 out of 1.00 Flag question Question text

What did Dr. Deb Swackhamer mean by "contaminants of emerging concern"? Select one: a. Water contaminants that might be concern, once we know more. b. Water contaminants that we don't know about yet. c. Water contaminants that have emerged from water, to land. d. Water contaminants that are of concern, but are not regulated or controlled yet. Feedback Your answer is correct. The correct answer is: Water contaminants that are of concern, but are not regulated or controlled yet. Question 6 Correct Grade 1.00 out of 1.00 Flag question Question text What approximate percentage of U.S. plastics are recycled, according to TED speaker, Dianna Cohen? Select one: a. 7% b. 50% c. 90% Feedback Your answer is correct. The correct answer is: 7% Question 7

Incorrect Grade 0.00 out of 1.00 Flag question Question text Which of the following is not a problem caused by increasing impervious area in relation to how it affects stormwater runoff and streams? (select one) Select one: a. degradation of in-stream life such as invertebrates b. more industrial pollution from point-source pipes c. increased water velocity and erosion from runoff d. Increasing amounts of stormwater runoff Feedback Your answer is incorrect. The correct answer is: more industrial pollution from point-source pipes Question 8 Correct Grade 1.00 out of 1.00 Flag question Question text The acronym TMDL used in water quality stands for Total Maximum Daily Load. Select one: True False

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version