They both are mechanical waves.
Explanation:
Echolocation and ultrasounds are both mechanical waves that require a medium to trace through. They both process and transfer information through waves; the difference is that we humans cannot hear ultrasound waves.
Answer:
Density = Mass/volume. D= 60/30.Divide it and you'll get ur answer as 2
deceleration or rėtardation i’m pretty sure (it won’t let me say the second word but it’s correct)
All compounds are molecules but not all molecules are compounds. A molecule is two atoms joined together. A compound is two different atoms joined together.