Claim: animal testing, though harmful to the lives of animals, is a vital resource for lifesaving medicines and vaccines that can prolong human life. which evidence does not provide good support for this claim?

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.