Question 7 (1 point) [02.04)
An observer notes that the pitch of a sound is becoming progressively lower. The observer can conclude that the sound is moving (1 point)
a
away and the frequency of the sound wave is increasing
Ob
away and the frequency of the sound wave is decreasing
closer and the frequency of the sound wave is decreasing
Oc
Od
closer and the frequency of the sound wave is increasing

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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