I believe the answer is 20 feet. According to McBurney and Collings, the average threshold of human hearing is the tick of a watch from 20 feet in very quiet condition.
The human hearing range is a description of the pitches and loudness levels a person can hear before feeling discomfort. There is a variety of sounds in our environment, ranging from faint sounds like birdsong and rustling leaves to louder sounds like music, yelling, and industrial noise.
When we drinks water, those little droplets on the outside of the glass are condensation. I think?
It is ecosystem !!!!!!!!!!!!!!!!!!!!
Answer: Because we never see it illuminated by the sunlight.
It is inportant because kelp forest provide food and shelter for most sea creatures and provide foo for humans as well. It helps you undertsand that in the Maringe life there are plants that grow in saltwater like seawed and that they porvide food and also protection for smaller sea creatures.HOPE THIS HELPS.LET ME KNOW IF IT DOES. Or if a specific answer is needed.
