why is Dalton credited with proposing the first atomic theory if Democrritus was talking about atoms 2,200 years earlier

Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2,200 years earlier?

- Democritus' ideas were not supported by evidence

- Dalton's theory was the first scientific theory because it relied on scientific investigative processes.

- Dalton's theory was supported by evidence and repeated investigation.

Explanation:  1: Democritus' ideas were not supported by evidence

2: Dalton's theory was the first scientific theory because it relied on scientific investigative processes.

3: Dalton's theory was supported by evidence and repeated investigation.

the answer is:  

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