1. A Medium
2. One of these 4, the refractive index of the medium <span>Choose whichever are on the test.
3. </span>properties and nature of medium, Hope this helps.
Answer:962 hz
Explanation: got it right on acellus
Velocity, because velocity is speed and direction(speed for the number, and well, direction for the direction)
Answer:
Я не говорю на этом языке, но существительное - это животное, человек. или вещь
Explanation:
Вы ищете существительное?
Answer:
d. All of the above (This is write answer)