The answer would be A, clean your hands and surfaces often. This will kill the virus before it infects you. You should also practice safe food handling and visit the doctor, but the first is directly related so the answer would be A.
Flu virus can be transmitted through the process of inhale of droplets present in the air that actually consists of flue virus, also spread through contact with the respiratory secretions by the process of sharing utensils and while handling of items contaminated by the infected person.
A person must clean hands and surfaces so as to avoid infection with the flu virus which may be present on surface.
He is contracting his muscles together to be able to pull the able up. It wouldn't be endurance because he isn't doing to repeatedly. Not resistance because there would be a pull back from the table. Not balance because he is stable on his feet so the answer would be strength
