Question

Human activities such as transportation and manufacturing result in the greatest impact on the Earth through

I. Soil erosion

II. Habitat destruction
III. Air pollution

• A. II only
• B. I only
• C. I and II only
• D. III only
• E. II and III only

Answer 1

Answer: (D)

I. Soil erosion is the loss of upper fertile layer of soil due to flood, wind or any other natural calamity.

II. Habitat destruction is the loss of natural home of organisms i.e. destruction in the place where an organism lives.

III. Air pollution is any undesirable change in the atmosphere.

Human activities such as transportation and manufacturing have resulted in the emission of harmful gases like carbon dioxide, methane etc. Hence they have caused the greatest impact on Earth through Air pollution.

So, the correct answer is 'III only'.