3. Which situations DO NOT produce sound?
l. The pupil blew in the balloon to inflate it.
II. The pupil is reporting his work to his classmates.
III. An ambulance's siren is wailing.
IV. The pupils are sitting quietly.
a. I and ll only
c. ll and Ill only
b.I and IV only
d. I, II and III only
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Answer:
B. I and lV
Explanation:
lV are the only option that doesn't produce sounds
sometimes when we blew the baloon it'll create sounds
but letter B are the only one who had the option IV