Question

Environmental degradation means

  1. overall lowering of environmental qualities
  2. adverse changes brought in by human activities
  3. ecological imbalance because of ecological diversity
  4. all the above

Answer:

Option D: all the above

Detailed Solution:

The correct answer is “all the above”.

Environmental degradation refers to (4) all the above:

1) Overall lowering of environmental qualities.
2) Adverse changes brought in by human activities.
3) Ecological imbalance because of ecological diversity.