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Which one of the following is the major cause of algal bloom?
a. Presence of heavy metals such as lead and copper
b. Eutrophication or nutrient enrichment of water bodies
c. Erosion of soil and rocks
d. Contamination of water bodies by disease-causing microorganisms called pathogens

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raviaiims8987

Answer:

b option is the correct answer

luisvaschetto

Eutrophication or nutrient enrichment of water bodies is the major cause of algal bloom (Option b).

  • Eutrophication refers to the process of nutrient enrichment caused by an excess of primary productivity in water bodies.

  • This process (eutrophication) is associated with the increase in the concentration of different elements such as phosphorus, nitrogen, and other plant nutrients, which may lead to an abnormal toxic algal bloom.

  • For example, recently, eutrophication led to a toxic algal bloom that cut off drinking water supplies for approximately 10 million people at Taihu Lake (China).

In conclusion, eutrophication or nutrient enrichment of water bodies is the major cause of algal bloom (Option b).

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https://brainly.com/question/8499582

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