Answer:
diffraction
Explanation:
i dont remember any of these terms so im going off their connotations here
A cell that is specialized to receive and transmit is called a neuron
The correct answer is Metal.
Sound waves are vibrations which need medium to propagate. Higher the density of medium, the sound travels fastest. Sound travels fastest in solid than liquid and gas. Therefore, in this question sound will travel faster in metal because metal has higher density than air and water and it will not travel in vacuum as sound needs medium to travel.
From the deepest to most superficial: pia mater, arahnoid, dura mater
