38. NCERT Exemplar XXI

The pie charts $A$ and $B$ shown in figure are based on waste segregation method adopted by two families $X$ and $Y$ respectively.

 

 

 

Family XY is more environmentally conscious. It is because they combined biodegradable and non-biodegradableseparated biodegradable and non-biodegradabledid not waste any substances. They are aware on the harmful effectsnot aware on the harmful effectsdon't know the method of disposing the waste materials in the wrong manner. So, they disposed of kitchen waste and polythene bags separatelymixedtogether. But, family YX disposed off the kitchen waste and polythene bags in a segregated methodseparatelytogether as one waste.