Does the microphone pick up sound or not?

u big brain

why would reporters just hold something in front of their faces while they talk

smh                                                                                                                                                                          

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

pe = weightxheight = 2000x1000=2,000,000joules