What do u have to be aware of when assessing the credentials of a person making a claim about a product?

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Sound is a disturbance that travels through a medium as a

Arrange the images in order to show how lake-effect snow occurs.