Compare and Contrast the Following: 1. Pitch and Loudness
2. Infrasonic and Ultrasonic
3. Luminous and Nonluminous

It's okay if you answer only one of these.

Thanks in Advance

pitch and loudnesss

thanks for your question

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.