Answer:
Water because it's a neccessity
Explanation:
All neccessaties have inelastic demand because humans can't live without them.
The other goods are luxuries and they have elastic demand. they are wants
Answer:
It is an important law of the land.
It determines the relationship of the citizens with the governments.
It lays down principles and guidelines which are required for people belonging to different ethnic and religious groups to live in harmony.
I think that they are used for fund to make the school neater and for school activities and uniform (and I think a bit extra pay) but more advanced