Answer:
a) Two reasons why polythene bags are not environment friendly are as following:
b) Yes, the decision of using paper bags is correct as it will minimize the use of plastic bags and also reduce the environmental pollution caused by plastic waste. Paper bags can be reused or recycled again and again and they are easily degradable in the environment causing very less or no pollution.
c) The values associated with the ban on use of polythene bags is to establish a sustainable environment for our present and future generation. It will reduce environmental pollution and will minimize the effect of global warming.