sonar is used to inspe foundations in this scenario sonar takes advantage of the fact that

Sound waves can
reflect
diffract
spread out
refract

I will give medals

Question

sonar is used to inspe foundations in this scenario sonar takes advantage of the fact that

Sound waves can 
reflect 
diffract 
spread out
refract

I will give medals

anonymous · Answer

Typo sonar is used to inspect

anonymous · Answer

Sonar [sound direction and ranging] gives us information primarily from the reflection due to portions that are hot similar to the bulk material, inhomogeneities.

anonymous · Answer

give medal first and answer is reflect until all it's energy is lost.. give medal