When two liquids are mixed in an endothermic reaction, what always happens to the temperature of the solution? a. it gets warmer. b. it cools off until it freezes. c. it heats up until it boils. d. it gets colder.

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

Orange juice has a lower or higher viscosity than chocolate syrup

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.