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Assertion: Excess nutrient inputs into water bodies can lead to eutrophication.
Reasoning: Nutrient inputs such as nitrogen and phosphorus from fertilisers, animal waste, and human sewage can cause excessive growth of algae and aquatic plants in water bodies. The decomposition of these organisms can lead to depletion of oxygen levels in the water, resulting in the death of aquatic organisms.
Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
The assertion is true, but the reasoning is false.
The assertion is false, but the reasoning is true.
Answers (1)
Eutrophication is a process that occurs when a water body receives excess nutrients, such as nitrogen and phosphorus, leading to the excessive growth of algae and aquatic plants. As these organisms die and decompose, they consume large amounts of dissolved oxygen in the water, leading to oxygen depletion and the death of aquatic organisms.
The Assertion is correct because excess nutrient inputs into water bodies can lead to eutrophication, as discussed above.
The Reasoning is also correct because the excess nutrients, such as nitrogen and phosphorus, can cause the excessive growth of algae and aquatic plants, which can lead to oxygen depletion and the death of aquatic organisms.
Therefore, both Assertion and Reasoning are correct, and Reasoning is the correct explanation of the Assertion.
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