The sound level of a person talking at 1.0 m of distance is 60 dB. you are surrounded by five people all talking at the same time. 74 dB sound level are you being exposed to
Sound is a kind of energy produced by vibration. When an object vibrates, the air molecules around it move. These molecules collide with nearby molecules and also cause vibrations. This causes them to encounter nearby air molecules. He has two types of noise: audible and inaudible. Inaudible sounds are sounds that the human ear cannot perceive. The human ear can hear frequencies between 20 Hz and 20 kHz. Sounds with frequencies below 20 Hz are called low-frequency sounds. E
In physics, sound is a vibration that propagates as sound waves through a transmission medium such as gas, liquid, or solid. In human physiology and psychology, the sound is the reception and perception by the brain of such waves.
Learn more about the sound here
brainly.com/question/1515875
#SPJ4
Before performing the investigation, the students must first f<span>orm a hypothesis to predict the outcome of the investigation.
First they will need to try and make a prediction about what will happen in the investigation. They cannot yet analyze the data of the results or discuss the results themselves if they haven't yet performed the investigation. So obviously first they will try to guess what's going to happen.</span>
natural rights are rights that are given to you at birth like the right to live. inalienable right are rights that will never be taken away from you.