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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Consider the story you just read. all but one of the choices below indicate that something is living.

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .