Answer:
everybody does big brain right there
Liquid particles settle after being dispersed in a gas
I believe the answer to your question will be atrioventricular but don't cross out pulmonary it could possibly be the answer.
B. astigmatism is the best answer, it definitely gives distorted images.
Nearsightedness is where you can't see things clearly unless they are really close up to the eyes. Farsightedness is where you can see things better the farther off, but both of those may still leave you seeing blurry. Sclera is just part of they eyeball, the outer white layer.
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!