Answer:
make a parachute out of the bag connecting to a bowl made out of paper filled with cotton balls. then put the egg in the bowl.
Explanation:
Send wave from your location to the object and wait until echo is back.
Measure the time taken.
If you know the speed of wave (say sound wave), than just multiply by half time taken wave to return
Answer: D) Earthquake
<em>I hope this helps, and Happy Holidays! :)</em>
Answer:
a
Explanation:
I think its a its speed increases.....
