$A$ pollutant is any substance,chemical,or other factor that changes:

  • A
    Natural geochemical cycles
  • B
    Natural balance of our environment
  • C
    Natural flora of a place
  • D
    The natural wildlife of a region

Explore More

Similar Questions

When does the $BOD$ (Biochemical Oxygen Demand) decrease?

The presence of large amounts of nutrients in water causes excessive growth of planktonic algae,called.........

Non-ionising radiations damaging to $DNA$ are

What happens when nitrates and phosphates are added to a lake?

In an aquatic food chain,if a water body has $0.003 \; ppb$ of $DDT$,its maximum concentration can be observed in:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo