Radiation that changes direction as it passes through material is called what

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

What volume would 2.25 moles of ne has occupy at stp?

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.