railway RRB JE (CBT I + CBT II) Mock Test 2024 General Knowledge Ecology and Environment Environment Problems
If there are no forests, and we dig out our lands for minerals like aluminium, what will be left?
1
polluted air, water, and floods
2
polluted air, waste and draughts
3
polluted air, water, and miles of barren land
4
polluted water, noise, and miles of barren land