viewing any chemical reaction in a labitory
<span>The statement is false. It was Democritus, a Greek
philosopher, who first theorized that matter was ultimately composed of atoms.
His ideas were not widely accepted in his time (460-370 B.C), but during the 19th
century, John Dalton proposed this theory and gained broad acceptance.</span>
1.more
2.longer
3.warmer
4.northern
5.less
6.shorter
7.colder
8.southern
