Discussion
Algal bloom results in
Answer: C
Algal bloom results in eutrophication.
When lakes and ponds receive excess nutrients, especially nitrates and phosphates from fertilisers and sewage, algae multiply rapidly into a bloom. When the algae die, their decomposition by bacteria uses up the dissolved oxygen, so fish and other aquatic life suffocate. This nutrient-driven deterioration of a water body is called eutrophication.
Global warming is caused by greenhouse gases, salinization is the build-up of salts in soil, and biomagnification is the increase of toxic substances along a food chain.
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