Which statement is true about earth's poles?
a. geographic poles are defined by earth's rotation.
b. magnetic poles are defined by earth's rotation.
c. earth's geographic south pole moves about 10 km each year.
d. earth's south magnetic pole is aligned with its geographic south pole.

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.