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Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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.