Consider ice at 0 degrees Celsius that is heated until it becomes water at 80 degrees Celsius. Which of the following statements is TRUE concerning its volume?

W) It monotonically [mono-TAWN-ik-lee] decreases

X) It decreases until 4 degrees Celsius, then increases

Y) It increases until 4 degrees Celsius, then remains constant

Z) It remains constant
X) IT DECREASES UNTIL 4 DEGREES CELSIUS, THEN INCREASES