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Biology, 02.10.2019 11:20 Arellano2373

1. the greek philosopher democritus coined what word for a tiny piece of matter that cannot be divided?
a. element
b. atom
c. electron
d. molecule

2. according to john daltons observations, when elements combine in a compound,
a. the ratio of their masses is always the same.
b. each element contributes an equal number of atoms
c. their volumes are always equal.
d. their masses are always equal

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