Question

Which of the following activities affect the environment?

• A. Filling of low-laying areas to reclaim land
• B. Digging of hills for quarrying
• C. Felling trees to clear land
• D. Extracting sand from riverbeds

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A Filling of low-laying areas to reclaim land
B Digging of hills for quarrying
C Felling trees to clear land
D Extracting sand from riverbeds

Different construction activities by people affect the environment badly. Some of the examples are:

• Felling trees to clear land for various purposes lead to air and soil pollution.
• Digging of hills for quarrying which leads to noise and dust pollution.
• Land reclamation leads to water and soil pollution.
• Excessive sand extraction from riverbeds leads to groundwater pollution and destruction of habitats.