if rivers dry, following impacts may occur:
1.shortage of production
2.SCARCITY OF WATER LEADS TO SEVERAL DISEASES.
3.the life of living beings might be harder
4.people migrate to other places.
5.trees will become dry
6.all the areas become deserted.
7.ground water level could not be improved
8.in the summer, people will not get drinking water
9.this may further lead to drought
10.people will not be able to wash their clothes and do domesticated works.