Question

how does pencil marks go when we use a eraser while pen mark doesn't go ????​

Answer 1

Answer:

Erasers don't really just pick up pencil marks. They work by abrading away a thin layer of the paper, to which the pencil medium (generally graphite) has adhered. ... The ink fades, but doesn't vanish, because the nature of the ink means it penetrates further into the paper, rather than just the topmost layer.

Explanation:

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Answer 2

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