How does heat flowing through Earth's layers contribute to the formation of an ocean basin?

Which sentence best expresses the differing opinions of these two book reviews?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.