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only4Lv10
29 Jun 2022
The Leq symbol is used in measuring which of the following kinds of pollutions?
[A] Air
[B] Water
[C] Noise
[D] None of them
The Leq symbol is used in measuring which of the following kinds of pollutions?
[A] Air
[B] Water
[C] Noise
[D] None of them
devsingh077Lv10
10 Jul 2023
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15 Mar 2023
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christopherc63Lv10
20 Nov 2022
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experttutorLv10
15 Nov 2022
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3 Nov 2022
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papayaprofessorLv10
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papayaprofessorLv10
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30 Jul 2022
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29 Jul 2022
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learn4lifeLv10
29 Jun 2022
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