Answer:
a. each particle of matter vibrates about its normal rest position and along the axis of propagation,
b. Liquids
C. because liquids have the right amount of space between them for the wave to pass through quickly
Explanation:
Sales tax is regressive, the second is progressive, and the third is proportional.
D is the answer, unlimited supply is NOT a characteristic of money
It is B pair the last one
I think it is A. People would expect Ed to be a lawyer since his parents are lawyers as well.