1. What does the amplitude of a sound refer to? O the sound's loudness O the sound's pitch O the sound's frequency how long the sound lasts

b is the answer and if you need further with anything message me

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.