Read the extract given below and answer the questions that follow:
On their slag heap, them children
Wear skins peeped through by bones and spectacles of steel
 With mended glass, like bottle bits on stones
 (a) Who are these children?
 (b) What is their slag heap?
 (c) Why are their bones peeping though their skins?
 (d) What does 'with mended glass' mean?


(a) These children are the students of an elementary classroom in the slums.
(b) The 'slag heap' refers to the bodies of these children.
(c) Their bones are peeping through their skins because these children are malnourished.
(d) 'Mended glass' is used for the spectacles with broken glasses that these children wear. They are so poor that they can’t afford to get a new pair.