MEDIUM
Earn 100

Tick (✓) the pleasant sounds and cross out (X) the unpleasant sounds. 

Important Questions on We Hear Sound
EASY

EASY
Fill in the blank with the right word given in the brackets.
Noise is not _____ for our health. [bad/good]


EASY


EASY
Which of the following is a pleasant sound?

MEDIUM

MEDIUM

EASY

EASY

EASY

EASY


EASY

MEDIUM

MEDIUM

EASY

EASY

EASY

EASY
