Everything basically has bacteria so if you touch someone that’s sick and they sneezed on their hand if you handshake that person or touch their hand the germs are on your hand now of course you can wash ur hands but there’s still bacteria on your hand it’s confirmed that everyone atleast touches their body 16 times and hour so that’s how it spreads to our body
        
             
        
        
        
A is the answer. This is because this was not covered by the Twin studies.
Good luck!
-RxL
 
        
                    
             
        
        
        
1.B without regular cardio workouts, you will have a very hard time breathing
2.B all of those CAN give accurate info, but gov. studies are best due to the amount of people they question
3.C the AHA does reliable experiments that proves helpful
4.D gov wellness sites usually give old or washed down advice
5.B if your muscles aren't used to physical activity, they will respond a bit more "aggressively" for lack of a better word