Waves travel through matter, so I am 99.9% sure that is the answer.
Id look through your lesson to be sure!
Answer:
B
Explanation:
The carriage has potential energy
BPA, or bisphenol A, is in most plastics and it is toxic to humans because it can bind to the estrogen hormone and greatly alter your body's natural functions from there. It can also bind to your thyroid hormone.
