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Chapter 13 Earth as a System: Energy, Matter, and Life - Part 4

What is pollution?

Type: MCQ • Marks: 1
What is pollution?
Options
A. Addition of nutrients only
B. Addition of harmful substances to environment
C. Natural process only
D. Removal of waste only
Explanation
Pollution introduces harmful substances or energy into the environment.
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Class 9th Science (MCQ)

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