<span>B)Depression and suicide are connected</span>
Noise is an example of an •environmental problem.• This is due to the fact that sound is not actually physical by touch, but rather in your surroundings; the snapping of a twig or the sound of an alarm going off. This is all things you can hear by your environment, or your 'surroundings'.
I hope this helps!
Because weight varies from different things such as water intake, muscle mass, etc. When you just focus on the amount of body fat you get a clearer picture. Hope this helps!