Answer: it gets inside the air and then it infects the air's resourses
Explanation:
By not letting the sick run while doing other things like scrubbing dishes..
The best answer choice here would be 'Combination'
Nonpolar covalent bonds are chemical bonds where two atoms share a pair of electrons with each other and the electronegativities of the two atoms are equal. An example is methane. It has four carbon-hydrogen single covalent bonds. These bonds are nonpolar because the electrons are shared equally.