What is the lowest level of sound that can be detected by human hearing? 0 decibels 10 decibels 20 decibels 100 decibels

It may possibly be c i think |-/

Answer it orbits high above earth to gain clearer images of light, it magnifies images relative to the human eye, it records most of the universe as it was in the past, not as it is now;

So are u adding some additional catalyst