Which best describes a way that an experiment contradicted an existing model of the atom? select one: a. thomson showed that neutrons must be located in the center of an atom. b. rutherford showed that the atom must have a nucleus. c. bohr showed that atoms must contain negative charges. d. chadwick showed that atoms cannot contain neutral particles.

It has been two weeks since charles met with daniel, a dietitian, who provided charles with a menu for weight loss. charles and his mother are going back to see daniel again with a chart of the food charles has eaten. the following lists what charles ate in one day: breakfast 1 banana, 1 cup of nonfat milk, 1 egg lunch 1 cup of carrots, 3 oz of steak, 1 apple, 1 cup of nonfat milk dinner 6 oz of skinless chicken, 1 baked potato, 3 oz of broccoli, 1 cup of nonfat milk

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Design techniques and materials that reduce the negative environmental impact of a structure are referred to as