Question

Environmental problems faced 50years ago it's causes problems and solution

Answer 1

environment problems are as follows:
air pollution
global warming
water pollution
prevention of of ozone layer
UV rays
the solutions are as follows:
stop burning crackers
Limited use of AC and refrigerators
wasteful materials
CFCs

Answer 2

1.) We get less supply of pure oxygen as compared to rural areas.

2.) We can't get good water by ground water, so we use RO or some of the purifiers.

3.) Increasing population leads  pollution.

4.) All water gets polluted due to set-up indrustries.