These are the methods of water conservation, identity which of these are the right process for conservation -
1. Using drip irrigation by farmers.
2. Rainwater is collected by pipes and stored in tanks.
3. Using more water to clean the toilets and washrooms.
4. Water saving habits are introduced to small children.
1
Only 1 and 2
2
Only 1,2 and 3
3
Only 1,3 and 4
4
Only 1,2 and 4
5
Not Attempted