Environment & Ecology · Environmental Science
Decreasing dissolved oxygen (DO) levels in a water body: A. Severely threatens aquatic life B. Is mainly caused by oxygen-demanding wastes C. Indicates the presence of biodegradable organic substances D. Causes undesired taste and color E. Makes it non-drinkable to human beings Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B, C and D only✓
- 2B, C, D and E only
- 3A, C, D and E only
- 4A, B, D and E only
Correct answer
A, B, C and D only
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