Answer:
the important and valuable of objects, places, arts, sculptures and natural environment that have been passed on from the previous generation which are being maintained in the present and will be presented to future generation are called national heritage.
they're important because :
1. it reflects identity of the nation
2. it helps to introduce our country in the world
3. they are valuable and outstanding cultural, religious or natural assets.
4. they add glory to the nation.
5. they help in the promotion of tourism industry as they attract the tourist.