Oxygen is getting frail day by day. it is difficult to breathe the contaminated air.what are the reasons for this serious problem?give some solutions to eradicate it.

Oxygen is getting frail day by day. it is difficult to breathe the contaminated air.what are the reasons for this serious problem? give some solutions to eradicate it. Ans: There is no doubt that man has achieved vast success in every field of life with the advent of technology.but it gave birth to certain problems …

Oxygen is getting frail day by day. it is difficult to breathe the contaminated air.what are the reasons for this serious problem?give some solutions to eradicate it. Read More »