JJ Thomson - discovered the proton, 2 - numbers of neutrons in tritium, 1 - numbers of proton in deuterium, proponent of solid sphere - John Dalton, solid - stable in shape, liquid - a substance that flows freely but is of constant volume, having a consistency like that of water or oil., gas - a substance or matter in a state in which it will expand freely to fill the whole of a container, Watermelon's model - JJ Thomson, Religious cosmology - creation ex nihilo, Physical cosmology - Big bang theory,

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