Please help I don’t understand how to do this

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..

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?