When a person designates a specific person to act as his or her representative in making healthcare decisions, that designee is called a(n)

Which type of conservation develops last?

a. Conservation of number b. Conservation of liquid c. Conservation of mass d. Conservation of area

T-scores have a mean of ________ and a standard deviation of ________.

A. 50; 10 B. 100; 10 C. 20; 10 D. 100; 15