Ask your own question, for FREE!
Physics 5 Online
OpenStudy (lilday12):

Which of the following statements is true? A. An echo is a sound wave reflection. B. Sound waves are the only waves that reflect. C. Reflection is when a sound wave bends around an obstacle. D. In reflection, all of the initial energy of the sound wave bounces back.

OpenStudy (anonymous):

A is the answer. Its definition is what comes in A.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
13 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
16 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!