Question

How did the invisible man become visible

Answer 1

when the invisible man died. the drugs which made him visible also inactivated with him. in this way he became visible when he died.

HOPE IT HELPED YOU

Answer 2

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   The invisible man first became visible when he accidentally stepped into some mud and his footprints started becoming visible to two boys who followed him until his footprints fainted and became invisible again. He got rid of them and spent a night at a large London store where he wore some clothes and slept on a pile of quilts. The next morning, when he was still sleeping, the store assistants started coming in and saw him which was actually the first time he was seen.