The statement, "energy can neither be created nor destroyed, but can change from one form to another," is

a. the first law of thermodynamics
b. the second law of thermodynamics
c. the third law of thermodynamics
d. scientifically unproven

Which one of the following research methods can show cause and effect

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?