Answer:
b is the answer tennis ball
A
Excitation to a higher energy state requires energy which is absorbed from the electromagnetic waves applied.
Polarizing filters: used to show light has some properties of a wave in that way of property is that light can be thought of as traveling forward in waves, with the <span>wave. sorry if this is too late but google is good</span>
Heat makes things expand, so in hot water the ballon will get bigger
