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Which of the following sounds has the highest frequency? a. a computer battery b. an air conditioning unit c. a water heater d. an electrical outlet​
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Which of the following sounds has the highest frequency?

a. a computer battery
b. an air conditioning unit
c. a water heater
d. an electrical outlet​

User Dan Reedy
by
6.6k points

2 Answers

6 votes
The answer should be D
User Jevaun
by
8.3k points
5 votes

Answer:

d

Step-by-step explanation:

User Maite
by
7.2k points
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