mr x
This page lists questions and answers that were posted by visitors named mr x.
Questions
The following questions were asked by visitors named mr x.
Answers
The following answers were posted by visitors named mr x.
Carbondioxide is heavier than air. In the well, carbondioxide displaces the air present inside the well and only carbondioxide gas is collected at the bottom. So, there is lack of oxygen. Hence the person feels difficult to breathe while cleaning the deep...
9 years ago
match the quetion number 1,2,3,4,5 with A,B,C,D,E,F,G,H
6 years ago