Which best describes the energy of a sound wave as it travels through a medium? it increases. it decreases. it remains the same. it depends on the medium.

Decreases

Explanation:

just think about like this, when you play a guitar string once without doing anything else, the sound fades, which means that the energy decreases as well.

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

c) up is the direction the magnetic force is acting on the charge.