Explanation:
15 years old
No
No
I don't think i have it because I've been indoors most of the time, I haven't shown any sign of symptoms and neither has my family.
I don't think I have a weak immune system, I eat vitamins that helps me improve onto my immune system.
One it can effect your lungs
two your mind and how you thinking
three your physical health
four your life spand
Indicators is an organic products which is used to identify it's nature either it is base or acid