No, in my opinion, Paheli's action was not responsible.
If I would have been in her place, I would have used the paper for doing rough work or convert it into paper pulp to make a handicraft item.

Yes, it is better to use compost instead of chemical fertilisers. The reasons are as follows:
(i) Compost is ecofriendly, while chemical fertilisers destroy the natural composition of soil by adding unwanted chemicals into the soil.
(ii) Production of compost is easy and harmless whereas production of chemical fertilisers is a costly process.
(iii) Chemical fertilisers cannot be decomposed by natural methods hence, create pollution of soil and water.

(a) Pieces of papers can be obtained from newspapers, notebooks, magazines, etc. All of these can be recycled whereas shiny plastic coated papers cannot be recycled. Because plastic is non-biodegradable. The paper which cannot be recycled can be reused to make paper bags, envelopes, etc.
(b) Yes, there is a difference as surface of recycled paper is rough, while that of new sheet of paper is smooth. Recycled sheets are prepared from used papers. This type of paper can be used for making carry bags and other packaging materials.

If we are in habit of carrying a shopping bag, then we will not depend on shopkeeper to give you items bought in polybags. This will reduce the useof polythene bags.

The land used to dispose the waste cannot be used for a long time approx 20 years. Leaching of wastes disposed into land is also a cause of worry.

Accumulation of garbage will attract insects, flies and other animals like pigs, cows, etc in search of food. It will spread dirtiness and perpetuate disease in surrounding areas.

It is a thick paste made up of clay, paper pieces and some rice husk.

The waste materials are thrown in selected empty places or waste material bins.

Plastic bags are not considered suitable for storing cooked food because
(i) these bags may have been used earlier for some other purposes. The residue left behind can be harmful.
(ii) food can mix with chemicals present in plastic bags.
(iii) sometimes bags collected by rag pickers are washed and used which is not a healthy practice.
(iv) plastic bags are not recommended for recycle and reuse as it can harm our health.

(a) Sachin's action is not at all an action of a responsible person. Firstly, he waste the paper and does not know the value of paper. Secondly, his method of disposal of waste papers is wrong.
(b) If I were in his place, I do not pack the papers. in polybags, the decomposition of paper become slow in polybags . Paper pieces should be collected and it can be recycled.
(c) He is a learner and he respects his elders and follows their guidelines.