It’s B. Sound travels faster through solids than liquids. Have you ever put your head on a desk, and tap the desk? That’s an example of it going faster through solids
<span>Each color has a different wavelength allowing the eye to see it.</span>
Its readily available
No Harmful emissions
Environment friendly
Renewable
Hydrogen isn't very good fuel source due to its high flammability and can create a nasty mini hydrogen bomb. <span />
Answer:
A. Velocity
Explanation:
Velocity is vector quantity thus has both magnitude and direction. It describes not only the speed but also the direction. Speed is scalar quantity so describes only speed but not direction. Energy has nothing to do with speed, acceleration describes change in velocity in a direction over time