Loud sound of sirens causes disturbance.
True
False
Sound produced by loud speakers is unpleasant.
Mosquitoes buzz and bees whine.
Noise can cause deafness.
Unpleasant sounds are low-pitched and harmonious.
Match the following.
Pigeons
Snakes
Lions
Monkeys
Ducks
Coo
Hiss
Roar
Chatter
Quack
