INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why has quarrying become a major environmental concern?
A
Because minerals are pollutants
B
Due to dust raised from the quarrying activities
C
Because it is done by displacing people
D
None of these
Explanation: 

Detailed explanation-1: -1) Very small dust particles that spread in the air around quarrying sites cause air pollution and inhaling problems. 2) It creates noise pollution due to the heavy machinery and the blasts to break huge rocks. 3)Also Blasting generates vibration which may harm the nearby buildings.

Detailed explanation-2: -Quarrying can become a major environmental concern because it may destroy the humus of soil which is much required for the growth of plants. It produces a lot of noise pollution due to use of explosives in order to break the huge chunks of rocks.

Detailed explanation-3: -Quarrying has a significant impact on the environment. It can become a major environmental concern because it destroys the flora and fauna around it.

Detailed explanation-4: -Concerns about the impact of quarrying are hardly new. Complaints about quarrying activities were voiced as far back as the 1890s. The issues of concern haven’t changed over time – visual intrusion, damage to landscapes, traffic, smoke, noise, dust, damage to caves, loss of land, and a deterioration in water quality.

Detailed explanation-5: -Quarry dust :: terrestrial ecosystems Physically, dust may cover the leaf surface and reduce the amount of light available for photosynthesis, or may occlude stomata. Occlusion may lead to increased resistance to gas exchange, or may prevent full stomatal closure, leading to water stress.

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