Noise is an example of problem that can cause stress
a. an environmental
b. a physical
c. a catastrophic
d. a major life

A. an environmental

Explaination:

A noise is an environmental stress it can spread due to natural and non-natural ways. Naturally it can be spreaded by lightning, and volcanic eruption. Animal and bird voice for prolonged time can also cause mental stress. Humans are also responsible for noise pollution by loud music, sound produce by machinery and by other ways.

alzheimer's disease is a brain disease where you forget things that happened moments, even seconds before hand. reward me plz

abuse, both physical and emotional. messes with your head. makes you feel like nothing, no matter what anyone else tells you