Question

Construct a drainage system using plaster of paris and fabric colours. Take three blocks
to represent Upper Course, Middle Course and Lower Course. Carve out the features
present in each course on the blocks. Place all the three blocks one after the other
according to their course, so that they form a comprehensive unit. Show how a river flows
from the hills to the sea in a natural way.​

Answer 1

Explanation:

Take three blocks to represent Upper Course, Middle Course ... Carve out the features present in each course on the blocks. Place all the three blocks one after the other