हिंदी

Which of the following ultimately causes oxygen depletion in water bodies?

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प्रश्न

Which of the following ultimately causes oxygen depletion in water bodies?

विकल्प

  • Fish

  • Human beings

  • Microorganisms

  • None of these

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उत्तर

Microorganisms

Explanation:

Microorganisms break down organic waste in water. This process uses dissolved oxygen, which can leave less oxygen for aquatic life.

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अध्याय 16: Pollution - EXERCISE [पृष्ठ ३१०]

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लखमीर सिंग Biology [English] Class 10 ICSE
अध्याय 16 Pollution
EXERCISE | Q 6. | पृष्ठ ३१०
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