Sound waves are sent out buy the animal/or vessel using sonar and the animal/vessel uses the echo from the original Soundwave that was sent out to determine the distance and size of the object that it hit
Make it sound fun.
Help them come up with ideas to do
set goals
add a prize at the end to make them strive for.
Answer:
Explanation:
rib? im no medical expert but try rib
B The Liver couldn't be able to filter out the bad substances.
It is B because that is what the liver does and if the liver is not working then you will have harmful substances in your body.
Answer:
The nervous and skeletal system
Explanation:
