Question

which scientist provided a foundation for john daltons work on the atomic structure? robert millikan joseph proust ernest rutherford j. j. thomson

Explanation:

Joseph Proust's Law of Definite Proportions (stating that a chemical compound always contains exactly the same proportion of elements by mass) provided a foundation for John Dalton's atomic theory. Dalton's theory built on the idea of fixed ratios of elements in compounds.

Answer:

Joseph Proust