Question

Mention any two ancient water harvesting systems adapted by different states. What are the benefits

of traditional water harvesting system?​

Answer 1

Answer:

(a) In hilly and mountainous regions, people built diversion channels like 'gul' or 'kul'in Western Himalaya for agriculture. (b) Roof-top rain water harvesting was commonly practised to store drinking water particularly in Rajasthan. (c) In West Bengal, people develop inundation channels to irrigate their fields.

Answer 2

Explanation:

In a displacement reaction, one element replaces another element from a compound. Generally, a more reactive element replaces a less reactive element from its compound. For example, iron is more reactive element than copper. If a piece of iron is added to a solution of copper sulphate, iron sulphate is formed.