Choose the best option to complete the sentence.
A unit is used to measure the loudness of sounds is ______.
centimeter (cm)decibel (dB)decimeter (dm)ohm (Ω)Môn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best option to complete the sentence.
A unit is used to measure the loudness of sounds is ______.
centimeter (cm)decibel (dB)decimeter (dm)ohm (Ω)