Pollution from a factory that produces cleaning products is a(n)
tariff
antitrust law
externality

The right option is; externality

Pollution from a factory that produces cleaning products is an externality.

An externality is the effect of an economic activity that is encountered by unrelated third parties. An externality may be positive or negative. An example of a positive externality is the effect of a highly skilled labor force on the productivity of an organization while an example of a negative externality is the pollution released from a factory that destroys the environment and affects the health of people living in the environment.  

abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.