1Why does a landslide happen when a road is dug by cutting into a steep hillside?
2Is a road built in that way a lasting one? Give your reason.
3What must be kept in mind while building a road in a steep place?
4Why is it necessary to put up a frame or fence where a slope has slipped?
5Apart from putting up a fence, what other measures can prevent landslides in a lasting way?
6Why did the broken field ridge break even more when wet mud was packed into it?
7Would the broken ridge hold once it was repaired with leafy branches?
8What should be done to make a terrace ridge strong enough not to break?
9Which sides of sustainable development does the clean village model you built cover?
10What is sustainable development? Write the definition.
11How did the Brundtland Commission define sustainable development?
12Write the four sides of sustainable development with an example of each.
13How can one piece of development benefit both the present and the future generation? Explain with an example.