Pablo wants to enter the science fair. which question could be answered through scientific investigation?
a. which sport is the most fun to watch?
b. who is the greatest pitcher of the last one hundred years?
c. when is the best baseball team determined each year?
d. what is the best angle to throw a ball for maximum distance?

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.