Chemistry

Leonardo Cohen

2 July, 14:11

In which time period did Ancient Greek philosophers propose that all matter was composed of four fundamental substances: earth, air, water, and wind? 8000 B. C. - 1000 B. C. 1000 B. C. - 450 B. C. 300 B. C. - 1400 A. D. 1774 - 1794 A. D. Time Period 1 Time Period 2 Time Period 3 Time Period 4 Time Period 1 Time Period 2 Time Period 3 Time Period 4

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