Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces? a.) the smoother the surface of an object, the more friction it will produce. b.) the softer the surface of an object, the more friction it will produce. c.) the rougher the surface of an object, the more friction it will produce. d.) the harder the surface of an object, the more friction it will produce.

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.