Which of the following is an example of point -source pollution? Oil collected from city streets and parking lots Pesticide runoff from farms Groundwater contamination at a natural gas drilling site Fertilizer runoff from suburban neighborhood yards river? oil spills lead to an excess of dissolved oxygen fertilizers poison aquatic plants that require different nutrients from land plants fertilizers from farm runoff chemically react with dissolved oxygen, making the water acidic and killing fish nutrients from fertilizers cause thick mats of algae to grow, eventually leading to a loss of dissolved oxygen Which of the following happens during conditions of eutrophication in a 1 po 1 point

Question

Which of the following is an example of point -source pollution? Oil collected from city streets and parking lots Pesticide runoff from farms Groundwater contamination at a natural gas drilling site Fertilizer runoff from suburban neighborhood yards river? oil spills lead to an excess of dissolved oxygen fertilizers poison aquatic plants that require different nutrients from land plants fertilizers from farm runoff chemically react with dissolved oxygen, making the water acidic and killing fish nutrients from fertilizers cause thick mats of algae to grow, eventually leading to a loss of dissolved oxygen Which of the following happens during conditions of eutrophication in a 1 po 1 point

Answer 1

'Nutrients from fertilizers cause thick mats of algae to grow, eventually leading to a loss of dissolved oxygen', 'Groundwater contamination at a natural gas drilling site'

Answer 2

## Step 1Eutrophication is a process that occurs when a body of water becomes enriched with nutrients, often leading to the growth of aquatic plants and algae. This growth can deplete the dissolved oxygen in the water, which can harm aquatic life. ## Step 2The most common cause of eutrophication is the runoff of fertilizers from agricultural land. These fertilizers contain nutrients like nitrogen and phosphorus, which can stimulate the growth of algae and other aquatic plants. When these plants die, their decomposition consumes oxygen, leading to a decrease in the oxygen levels in the water. ## Step 3Point-source pollution is pollution that comes from a single, identifiable source. This could be a pipe, a ditch, a ship, or a factory smokestack. It typically results in large, concentrated quantities of pollutants being discharged into a specific area.## Step 4In the given options, groundwater contamination at a natural gas drilling site is an example of point-source pollution. This is because the contamination is coming from a single, identifiable source - the natural gas drilling site.

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