Substances that enhance the flow of current are called . Substances that inhibit the flow of current are known as . Substances that neither conduct nor inhibit well are called .

Substances that enhance the flow of current are called conductors

Substances that inhibit the flow of current are known as insulators

Substances that neither conduct nor inhibit are called semiconductors

Explanation:

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation: