Question

4 points on sand mining done in river bed

Answer 1

there are many problems due to the sand mining.
the water in the rivers are flows through village which may be effect the people.
loss of life and property.
the sand mining is an illegal thing.

uses:
river water is used for irrigation
sand mining in the river makes the place is more comfortable for irrigation
the sand is used to level the river.
the sand are used to grow crops.

please pick it as best