Question

2. Fill in the blanks.
a. Sound travels like a wave of
and
b. Sound travels fastest through
and slowest through
c. Sound undergoes
on striking a hard surface.
d.
is a very common observation in the hills.
e. The floors of auditoriums are carpeted to prevent​

Answer 1

Answer:

a. ripple

b. solid,liquid

c. vibration

d. echo

e. echo