A slab of ice 8 inches in length, 11 inches in breadth and 2 inches hick was melted and re-solidified into the form of a rod of 8 inches diameter. The length of such a rod, in inches ins nearest to
The hu8mble pencil is something found in just about every household , often called ''lead pencils'', the substance in the middle of the pencil that does the writing actually isn't leas at all; what is it?
