I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
You can catch the flu, but HIV you can't if its inactive, but you can catch the flu if it still active
Hope this helps! :)
Answer:
Current evidence suggests that the virus spreads mainly between people who are in close contact with each other, typically within 1 metre (short-range). A person can be infected when aerosols or droplets containing the virus are inhaled or come directly into contact with the eyes, nose, or mouth.
I would not suggest it. Anything can happen on a boat.
Explanation:
population in rural area is higher than the urban area.
