Gamma waves have the highest energy and can be extremely harmful. Hope this helped.
When sound waves hit a solid surface they either reflect, refract, or absorb.
Echo's are caused by the reflection of sound waves.
B, (layer C is the youngest layer) :)
I believe the answer is A.
hope this helps! C":
First, it belongs to the digestive system, since it's also called the large intestine. Sorry, but I don't know what else it belongs to .
I hope this helps somewhat
