Which postulate of relativity was supported by the experiments of michelson and morley?
a. principle of relativity
b. constancy of the speed of light
c. principle of equivalence
d. no absolute frame of reference

It may possibly be c i think |-/

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Despite their crazy structure, human bones are surprisingly good!

Is this multiple choice question