Question

HELP

Answer 1

What is an echo? (1 point )
the absorption of sound waves
the transmission of sound waves
the reflection of sound waves
the vibration of sound waves

Answer 2

I just need to check my answers I think that it's C.....

Answer 3

you're right :)

Answer 4

Thanks can you check another??? @kittla

Answer 5

Which would be the best insulator?
diamond
gold
lead
concrete
@kittla

Answer 6

I think concrete @kittla

Answer 7

@Science_Gal_2011

Answer 8

I think so! it can't be anything else

Answer 9

THANKS!!! I let you know my grade!!!

Answer 10

@kittla I GOT A 10/10 I mean a 100% THANK YOU SOOOOO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 11

I am sooo grateful!!!! @kittla

Answer 12

@kittla