Answer:
Answer:B
Explanation:
Because it all stayed consistant
Answer:
<em>Friction, force that resists the sliding or rolling of one solid object over another.</em>
The length should be 450 cm
and tooth length should be 0.45 cm i believe
hope i was able to help out!!! :)
Sound travels through air ! it requires medium to travel !
so when we speak , the energy and vibration travels along the air and reaches the others ear and strikes the eardrum which then after some amplification, turns into the voice in our brain !