Which is a way that the model of the atom became stronger through new experiments? a. new technology allowed scientists to show that the atom is indivisible. b. it took new data to show that positive charge is not spread throughout an atom. c. by deflecting alpha particles, rutherford first observed the neutron. d. the neutron could not be detected until cathode-ray tubes were invented.

List the path of the respiratory system

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.