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Is it true or false for diffusion to work molecules have to travel through water?
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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.
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Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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Is it true or false for diffusion to work molecules have to travel through water?...
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