What happens to the solids in wastewater at a wastewater treatment plant? a. they are used as fertilizer on hay fields. b. they are chemically aerated and released into the air. c. they are released into a river, lake, or ocean. d. they are treated and returned to people's homes.

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.