Rubber was called rubber because at first its chief use
was to rub out pencil marks. We still use it for that purpose
in our daily life. It was called India rubber because it was
found in the West Indies by the Europeans.
Columbus, who went to discover America, saw the
West Indians playing with balls. These balls were made
of rubber. Rubber is really the juice of a particular tree.
When it dries up, it becomes solid. But though it is solid,
it remains soft and pliable. Rubber trees chiefly grow in
South-east Asia, South America and Central Africa. They
grow where it rains heavily. They need a hot climate. que 1.what did Columbus see?
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