Few years back disposable plastic cups were used for serving tea in trains. The impact caused by the disposal of millions of these cups an a daily basis caused a serious environment concern and disposable Kulhads, made of clay, were used instead. However, this resulted in loss of the fertile top-soil and hence was discontinued and has now been replaced by disposable paper cups.
Answer the following questions based on above information:
(i) What is the advantage of using disposable paper-cups over disposable plastic cup?
(ii) Which values are promoted by using'disposable' and'paper cups'.
(iii) Can such practices be followed at domestic level also? Give reasons.