#1conduction is the movement of heat because of the collision of
(a) atoms
(b) compounds
(c) molecules
(d) photons
#2 how do liquids and gases transfer heat?
(a) by convection
(b) by air movement
(c) by radiation
(d) by conduction
#3 which of the following does not need to travel through a solid, a liquid or a gas?
(a)convection
(b)conduction
(c)radiation

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous