Author: Anonymous

Which of the following are primary pollutants which lead to anthropogenic acid deposition? 

Lake A Lake B Lake C Lake D Nitrogen Levels .5mg/L .7mg/L .6mg/L .4mg/L Phosphorus Levels .01mg/L .025mg/L .07mg/L .1mg/L Sulfur Levels 250mg/L 25mg/L 15mg/L 80mg/L Normal Levels: N: .4 to .6 mg/L P: .02mg/L S: 50mg/L Which lake is MOST likely undergoing eutrophication?

Examine the following graph Which location would you find the greatest amount of decomposers?

Examine the following graph Which location is closest to an agricultural field?

Which of the following best describes why indoor air pollution can be so dangerous in developed nations? Check all that apply

Examine the four scenarios Scenario A Scenario B Scenario C Scenario D Treated water shows an unusually high level of biochemical oxygen demand (BOD) and still contains significant amounts of organic matter. Fish in the receiving stream are stressed or dying, and algae growth is noticeably high. This suggests that the biological processes meant to degrade organic waste are failing. Although solids and organic matter have been mostly removed, the effluent contains elevated levels of nitrogen, phosphorus, and pathogens. Downstream water exhibits signs of eutrophication and occasional bacterial contamination. This indicates that advanced treatment processes designed to remove nutrients and pathogens are ineffective. After wastewater passes through the treatment plant, the effluent still contains large amounts of floating debris and suspended solids. Settling tanks appear clogged, and the water leaving the plant is visibly turbid. This indicates that the initial stage for removing physical solids is not functioning properly. The aeration tanks in the wastewater plant appear frothy and poorly mixed, and microscopic analysis shows a low population of active bacteria. Organic matter remains in the effluent, causing strong odors and increased oxygen consumption downstream. This demonstrates a failure in the biological treatment stage to properly break down waste. Which scenario showed a failure of secondary wastewater treatment? Choose all that apply

Match the description of each stage of sewage treatment with its purpose

Examine the following table, which shows groundwater pollution levels Landfill Nitrate Concentration (mg/L) Heavy Metal Concentration (mg/L) A 45 2.5 B 20 1.2 C 5 0.5 D 30 1.8 Which landfill most likely used clay soil instead of a plastic liner at the bottom of the landfill? Choose all that apply

Examine the following graphs: Which graph(s) show the cause of ozone depletion?

Examine the following table  Sample A Sample B Sample C pH Level 5 7 9 Identify which sample of ocean water would be within the range of tolerance for most shelled organisms