There are numerous diseases and viruses that can be contracted from airborne germs. Out of the choices given here, the answers will be the flu and strep throat. Both are highly contagious.
I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps
Answer:
the last three are just ugh but i think it would be the first one because they are like actually touching you