Q: 51 (IAS/2018)

 
Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds?
1. Decreased salinity in the river
2. Pollution of groundwater
3. Lowering of the water-table
Select the correct answer using the code given below:
question_subject: 
Geography
question_year: 
2018
question_exam: 
IAS
stats: 
0,992,480,72,992,96,312