Abalance uses small metal weights of known mass to determine the mass of a substance. where would a balance not function correctly?
a. in a vacuum on earth b. on the moon's surface c. on the earth's highest mountain d. in a zero gravity environment

Evaluate the scenarios and select the one that demonstrates the training principle overload. kai swims faster and faster every day. katie stays consistent in her routine. maggie does kickboxing daily so she can win a kickboxing match. sarah usually likes to run, but tries swimming. !