Explanation:
aerobics is like expanding your lungs, like choir, singing. as an example, running free oxygen. helps alot for the cardiovascular system. Respiration is like exchanging something, trading. Trading oxygen from our lungs, we breath in and exhale for carbon dioxide. Anaerobic respiration isnt like the others getting oxygen, or getting something, it produces lactic acid. for example not havin enough oxygen can cause this uprose. im not sure if im right 10% but this is what i know
 
        
             
        
        
        
Answer: yes and no
Explanation:
since can affect 0.8 of the population which could kill them and this is chance killing you loved ones BUT you only have a %60 of it being positive so you should not really worry worry  
if you do have it be careful 
 
        
             
        
        
        
I believe the answer is d 
        
             
        
        
        
Answer: When people become addicted to any form of drug you'll often spot mood swings and mental health issues. Fidgeting is common amongst some.