1. A wrench is subjected to an increase in temperature and the metal expands. Which of the following statement is true about the gap between the jaws?
A. All of the statements are false.
B. The gap between the jaws of the wrench becomes wider.
C. The gaps between the jaws of the wrench remains the same.
D. The gaps between the jaws of the wrench becomes narrower.
2. Two identical metallic pitcher A and b were filled with 1 liter of water at 4 degrees Celsius. Pitcher A is placed under the heat of the sun and pitcher B is placed inside the refrigerator. Which of the following statement is true? Disregard the expansion or contraction of the pitcher.
A. The water in pitcher A contracts and the water in pitcher B expands.
B. The water in pitcher A expands and the water in pitcher B contracts.
C. Both the water in pitcher A and B contracts.
D. Both the water in pitcher A and B expands.