The two main sources of nutrient inputs that contribute to eutrophication are:

d. Agricultural runoff and sewage discharge

Here's why:

Eutrophication is primarily caused by the overabundance of nutrients, particularly nitrogen and phosphorus, in a body of water. These nutrients act as a fertilizer, promoting the excessive growth of algae and other aquatic plants.

1. Agricultural runoff: This is one of the most significant sources of nutrients. Fertilizers used in agriculture often contain high levels of nitrogen and phosphorus. When it rains, these fertilizers can be washed off the land and into rivers, lakes, and other bodies of water.

2. Sewage discharge: This is another major source of nutrients. Sewage and wastewater often contain high levels of nitrogen and phosphorus. If this sewage is not properly treated before it is discharged into a body of water, it can contribute to eutrophication.

The other options (industrial waste, atmospheric deposition, urban runoff, and groundwater seepage) can also contribute to eutrophication, but they are generally not as significant as agricultural runoff and sewage discharge.

Question

The two main sources of nutrient inputs that contribute to eutrophication are:

d. Agricultural runoff and sewage discharge

Here's why:

Eutrophication is primarily caused by the overabundance of nutrients, particularly nitrogen and phosphorus, in a body of water. These nutrients act as a fertilizer, promoting the excessive growth of algae and other aquatic plants.

1. Agricultural runoff: This is one of the most significant sources of nutrients. Fertilizers used in agriculture often contain high levels of nitrogen and phosphorus. When it rains, these fertilizers can be washed off the land and into rivers, lakes, and other bodies of water.

2. Sewage discharge: This is another major source of nutrients. Sewage and wastewater often contain high levels of nitrogen and phosphorus. If this sewage is not properly treated before it is discharged into a body of water, it can contribute to eutrophication.

The other options (industrial waste, atmospheric deposition, urban runoff, and groundwater seepage) can also contribute to eutrophication, but they are generally not as significant as agricultural runoff and sewage discharge.

Knowee AI · Accepted Answer

The two main sources of nutrient inputs that contribute to eutrophication are:

d. Agricultural runoff and sewage discharge

Here's why:

Eutrophication is primarily caused by the overabundance of nutrients, particularly nitrogen and phosphorus, in a body of water. These nutrients act as a fertilizer, promoting the excessive growth of algae and other aquatic plants.

1. Agricultural runoff: This is one of the most significant sources of nutrients. Fertilizers used in agriculture often contain high levels of nitrogen and phosphorus. When it rains, these fertilizers can be washed off the land and into rivers, lakes, and other bodies of water.

2. Sewage discharge: This is another major source of nutrients. Sewage and wastewater often contain high levels of nitrogen and phosphorus. If this sewage is not properly treated before it is discharged into a body of water, it can contribute to eutrophication.

The other options (industrial waste, atmospheric deposition, urban runoff, and groundwater seepage) can also contribute to eutrophication, but they are generally not as significant as agricultural runoff and sewage discharge.

What are the two main sources of nutrient inputs that contribute to eutrophication?a.Industrial waste and sewage dischargeb.Atmospheric deposition and industrial wastec.Urban runoff and groundwater seepaged.Agricultural runoff and sewage discharge

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