It depends whether the class is empty or with learners or objects. When the class is empty, echoes maybe experienced (sometimes reverberation). However if the class is full, mist of the sound is "absorbe" hence no echoes.
It depends whether the class is empty or with learners or objects. When the class is empty, echoes maybe experienced (sometimes reverberation). However if the class is full, mist of the sound is “absorbe” hence no echoes.
waves
It depends whether the class is empty or with learners or objects. When the class is empty, echoes maybe experienced (sometimes reverberation). However if the class is full, mist of the sound is "absorbe" hence no echoes.
It depends whether the class is empty or with learners or objects. When the class is empty, echoes maybe experienced (sometimes reverberation). However if the class is full, mist of the sound is “absorbe” hence no echoes.
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