Camilla and Kevin were debating how waves travel through matter. Kevin said that all waves must travel through some kind of matter. This is why there is no sound in space. Because there is no matter in space (that is called a vacuum). Camilla disagreed with Kevin and argued that while some waves need matter to travel, not all of them do.

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google

1) a

2)c

3)a

4)c

5)b

hope this , if so, your appreciation would be signified through giving   me brainliest, and a you : ) have any further questions? feel   free to ask me in the questions box.

true skin; another name for the dermis. lies directly beneath the epidermis and is often referred to as the true skin. outermost layer of epidermis, consisting of dead cells.