Answer:
The answer is D. A Vacumn
Explanation:
Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
The unit of acceleration would be m/s² :)
145,600 it equals 145,600 so you put down the zeros
Answer:
yes, radio waves and x-rays are type of light.
Answer:
18 degrees celcius = 64.4
Explanation:
Fahrenheit
