Describe two uses of surfactants. at least one must be something that was not described in the passage. for each example, explain how the effects of the surfactant make it useful.

There are several types of surfactants, to name two: alkylbenzene sulfonates  or detergents; and lauryl sulfate or foaming agents. 

Alkylbenzene sulfonates are commonly used in the production of detergent soaps, these help clean the dirt from cloths and other materials, it also produces foam. 

Lauryl sulfate or foaming agents are commonly used in the production of dishwashing liquid or handwashing soap. 

C. definite shape, definite volume. that is a solid.