railway RRB JE (CBT I + CBT II) Mock Test 2024 General Knowledge Ecology and Environment Environmental pollution
Plastics bags are a potential hazard to the environment. Which of the following options correctly describe this?
1
They are light in weight and hence cause nuisance by flying
2
Toxic chemicals are used in their production
3
They are non-resistant to heat
4
They are non-biodegradable