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OpenStudy (anonymous):
How old is the idea that matter is composed of atoms?
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OpenStudy (anonymous):
Dalton's theory was that atoms makes up everything. The greek philosepher and scientist who lived in the south coast Democritus (400BC) proposed that there were indivisible atoms.
OpenStudy (anonymous):
can i have a medal
OpenStudy (anonymous):
ill give you one but it said how old is it like 150years old or 500 years old thats what its asking
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