question_answer

Nidhi attended a seminar on the topic "How to minimise the use of plastic bags to reduce environmental pollution?" In evening she goes to a market with her mother and carried a natural fibre carry bag for shopping and decline to take good items in polythene bags.

(i) Do you think Nidhi's action is eco-friendly. Justify.

(ii) How the use of polythene causes environmental pollution?

(iii) Compare biodegradable and non-biodegradable pollutants.

Answer:

(i) Nidhi's action is totally eco-friendly. Since polythene bags are non-biodegradable product and their use add to the environmental pollution.

(ii) Polythene is non-biodegradable product. It exists as such in soil for year and causes water logging. It does not allow water to pass through it.

(iii) The main difference between biodegradable and non-biodegradable pollutants are:

S. No.	Biodegradable pollutants	Non-biodegradable pollutants
1.	Pollutants decomposed by decomposer or in waste treatment plastic, plants, e.g., livestock waste, cans etc. muncipal sewage, etc.	They are not degraded, e.g. polyethylene, soft drink cans etc.
2.	They can be recycled.	They are not recycled.
3.	They can be turned into useful resources.	They are difficult to manage.