Air caught in the ball of foil makes the ball less dense than water
<span>According to its definition, friction is generated when atoms interfere with each other on sliding surfaces.</span>
Answer:
one or more cells
Explanation:
I need to have 20 characters to submit lol
Use formula for Echo which is Velocity=2(Distance)/time so 343=2(150)/T 343T=300..T=300/343=0.9 seconds
