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Question

What precautions are taken to reduce the effects of landslides?


Correct Answer
A
Not constructing houses and buildings in landslide-prone areas.
Correct Answer
B
Building walls along the slopes of hills to block debris.
Your Answer
C
Trees on the slopes are cut down to allow free flowing soil.
Correct Answer
D
Trees are planted along slopes to form natural barriers.

Solution

The correct options are
A Not constructing houses and buildings in landslide-prone areas.
B Building walls along the slopes of hills to block debris.
D Trees are planted along slopes to form natural barriers.
The following measures can be taken to mitigate the effects of landslides:
1. Do not construct houses or buildings near areas where landslides are common.
2. Planting trees on hill slopes can reduce landslides as they form a natural barrier to the landslides.
3. Tall and gigantic walls should be built along the slopes of the hills to block the debris of the landslide falling onto the roads and houses. 
4. Water pipes, electric lines and telephone lines must be fitted underground in these areas to avoid damage.

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