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Unnecessary and unacceptable change in the surrounding environment due to natural events or human activities is defined as:
AEcological succession
BGenetic diversity
CEnvironmental pollution
DSustainable development
Answer & Solution
Correct answer: C. Environmental pollution
1. The definition refers to harmful change in air, water and soil properties.
2. Such unnecessary, unacceptable change is termed environmental pollution.
3. The other terms describe variation within species, community change, or resource management, not contamination.
4. So the answer is Environmental pollution.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 4 "Environmental Management", p.48_
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