What precautions are taken to reduce the effects of landslides Not constructing houses and buildings...........

Geography and Environment (CSC) Disasters and Management issues

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What precautions are taken to reduce the effects of landslides?

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

How many of the above mentioned codes are correct?

Only One

Only Two

Only Three

All Four

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Explanation:

Only statements 1,2&4 are correct.

Recently, over 360 people have died and more than 200 have been injured so far due to the catastrophic landslides in Wayanad, Kerala. Such deadly landslides are being reported from the Himalayas to the Deccan Plateau increasingly.

The following measures can be taken to mitigate the effects of landslides:
Do not construct houses or buildings near areas where landslides are common.
Planting trees on hill slopes can reduce landslides as they form a natural barrier to the landslides.
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.
Water pipes, electric lines and telephone lines must be fitted underground in these areas to avoid damage.

Hence option 3rd is correct.