Question

Which of these are positive influences of human beings on the ecosystem?
A. Declaring areas as wildlife sanctuaries
B. Increasing biodegradable packing materials that can be recycled
C. Removing pollutants from toxic industrial smoke
D. Using the natural resources intensively

• A. A, B
• B. B, C
• C. A, B, C
• D. B, C, D

Answer 1

Answer: (C)

A, B, C

A) Declaring areas as wildlife sanctuaries help protect wild animals and preserve the ecosystem.

B) Increase in biodegradable packing materials that can be recycled solves the problem of disposal of tonnes of non-biodegradable waste, which is also harmful to the soil.

C) By removing the pollutants from toxic industrial smoke, the air quality can be maintained which will save us from harmful respiratory diseases.

D) If we use natural resources intensively, we will not be left with much in the coming years and there will be a huge crisis of unavailability of resources that we use everyday.

Thus, the correct option is C), as the statements A), B) and C) are positive influences of human beings on the ecosystem.