2. Jayden and his little brother are on a boat trip looking for dolphins. Jayden's little brother keeps banging his hand on the side of the boat. Jayden says to his
little brother, "Shhh! Be quiet, I don't want you to scare the dolphins away!"
Jayden's little brother says, "Don't be ridiculous, the dolphins can't hear us
through the water!"
How can Jayden convince his little brother that sound can be heard through water