What steps should be taken for the disposal of nuclear waste?
1. Nuclear waste should be pre-treated
2. It should be stored in shielded containers
3. It should be buried about 500 m deep within the rock
4. All of the above
The Three Mile island is famous as:
1. it hosted the Kyoto protocol
2. it was the site of a large oil spil
3. it was a site of nuclear accident
4. it hosted the Earth summit
Which of the following have come into wake of the green revolution?
(1) Organic Farming
(2) Water logging
(3) Soil salinity
(4) Both 2 and 3