choose the correct option to fill in the blanks.
tell me the answer I will mark as brainlist
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2
Explanation:
mark me as brainlist bro
(1)20HZ
(2) ultrasonic
(3)more
(4) high
(5) frequency
(6) reflect
(7) after
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4
Answer:
what is the meaning of Alone in hindi?
Explanation:
ok my teleg id No Name
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