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Lapatulllka [165]
3 years ago
13

1. Eutrophication can cause excess algae growth. Which of the following describes how nutrients contribute to eutrophication?

Chemistry
2 answers:
exis [7]3 years ago
8 0

Eutrophication causes excess algae growth because of fertilizer and sewage runoff because of the amounts of nitrogen and phosphorus it contains


Dennis_Churaev [7]3 years ago
6 0

Answer:

B

Explanation:

Eutrophication is a major problem for the ecosystems surrounding farmlands. This is as a result of farmers irresponsibly using fertilisers, and end up adding too much to their soil.

The way they see it, is that the more fertiliser they give the plants, the better the plants will grow, unfortunately plants can only take up so much nutrients, and what ends up happening is when the rain comes, a lot of the nutrients in the soil get washed away, and they usually end up in steams or lakes.

Now fertilisers are not specific to certain plants, so algae, which grows in lakes and streams, now have access to an almost endless supply of nutrients. So, what happens is the algae take up nutrients, and grow so much, that it ends up absorbing all the oxygen dissolved in the water. This  causes the fish to die, due to the lack of oxygen and the body of water becomes uninhabitable.

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