316,063 views
42 votes
42 votes
In what year was the law of conservation of mass was first

demonstrated?
a 1685
b 1885
c 1785
d 1985

User RSG
by
2.9k points

2 Answers

21 votes
21 votes

Answer:

It was in 1789, i suppose C is the closest.

User Robert El
by
3.2k points
14 votes
14 votes
B the answer is b :)
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