What type of income is received through rent?
a. earned income
b. passive income
c. portfolio income
d. business income

I believe the correct answer from the choices listed above is option B. The type of income that is received through rent would be passive income. It is an income received on a regular basis, with little effort required to maintain it. Earnings an individual derives from a rental property, limited partnership or other enterprise are some examples.

Decontamination of materials.

Answerscientists are able to work both with current and future technology;