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give two discoveries which took place in 18 & 19century. mention its advantages &disadvantages?

mention how it can be maid more useful

2007-06-06 20:27:00 · 1 answers · asked by mastdudenav 1 in Science & Mathematics ➔ Chemistry

1 answers

18th

Steam Engine, Thermodynamics

19th

Electricity, Atomic structure.

2007-06-07 05:42:31 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

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