Answer:The understanding of conservation
Explanation:
The law of conservation states that the amount of something is preserved even when the shape is altered or even when that thing is deformed.
For example putting the same amount of water in a short big glass and transferring it into a long thin glass doesn't change the amount of water that was initially in the first big short glass and children may not understand this at a certain age until they grow up to understand the law of conservation.
Answer:
Currency exchange if I am not mistaken
Answer:
Option B
Explanation:
In a federal form of government, the states have vested individual power and authorities but they are not independent of central government in terms of financial aid and specific powers during war, emergency etc.
This form of government exist in USA, India and other democratic countries. The central government disburse certain amount of fund every year to the states under various schemes and programme.
Hence, option B is correct
