Question 36 1 most recyclable disposable plastic

This preview shows page 9 - 13 out of 13 pages.

QUESTION 36 1. Most (recyclable, disposable) plastic water bottles are recycled.
3 points QUESTION 37 1. In the United States, we recycle and compost about 1/3 of our solid waste.
3 points QUESTION 38 1. The used oil from a single car oil change is enough to contaminate ____ gallon(s) of natural waters.
3 points QUESTION 39 1. What is the most common source for pathogens that get into natural waters and drinking water sources (in developing countries)? medical waste excrement from infected humans and animals rotten food infected plants
3 points QUESTION 40 1. Which of the following strategies are effective in decreasing the amount of nutrient pollution that gets into natual waters from agricultural sources? Choose all that apply!
apply nutrients on a regular schedule, rather than applying nutrients based on soil nutrient tests 3 points QUESTION 41 1. During which process in the treatment of wastewater do decomposers (detritus feeders) consume and remove organic wastes in the water?
3 points QUESTION 42 1. The National Water Quality Assessment Program covers urban areas that have been identified to have pollution concerns.
3 points QUESTION 43 1. Match the following water quality parameters with their description. pH turbidity specific conductance suspended sediment A . measures how well water conducts electricity, which depends on the mineral salt content of the water B . how much sediment (non-dissolved particles) is being carried by the water C . measures the amount of light that can infiltrate the water body (i.e., cloudiness of the water) D . a measure of the acidity (or basicity) of the water 3 points QUESTION 44 D. C. A. B.
1. During which process in the treatment of wastewater are any remaining pathogenic microbes killed? primary treatment aeration disinfection nutrient removal
3 points QUESTION 45 1. Eutrophication is a process commonly associated with _________ pollutants.
3 points QUESTION 46 1. Contaminated sediments are challenging to remediate because the contaminants can sorb onto the sediments, such that they serve as a source of contamination long term.
3 points QUESTION 47 1. During which process in the treatment of wastewater are the large particles/debris removed?
3 points QUESTION 48 1. Which of the following is NOT a component in a household septic system?
septic tank drain field soil absorption field air stripping column
3 points QUESTION 49 1. What is thermal pollution?
3 points QUESTION 50 1. During which process in the treatment of wastewater are nitrogen and phosphorous removed?
Attempt Score 142.02 out of 150 points

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture