30 POINTS ANSWER QUICKLY Defend J. J. Thomson's work on the atom and its contribution to the modern atomic model. Point out which contributions are present in the modern atomic model and which were eventually disproven and thus are not part of the modern model.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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