Explanation:
Professional service-based businesses are well suited for the Internet, because the primary services they provide are information-based. A housecleaning or lawn care service business is not suited well for the Internet because the delivery of those services requires the provider to be physically present.
Ummmmmmmmmmmmmmmmmmmmm ok
Answer is: Dispersants
Explanation:
Dispersants keep contaminants (e.g. soot) suspended in the oil to prevent them from coagulating. Anti-foam agents inhibit the production of air bubbles and foam in the oil which can cause a loss of lubrication, pitting, and corrosion where entrained air and combustion gases contact metal surfaces.
So that's why the answer is: Dispersants
