Answer:
The correct answer is:
B. Substance A
Explanation:
Temperature is a measure of the average kinetic energy of the molecules in a substance. When the molecules in a substance are moving at a higher rate, it means they have more kinetic energy. Therefore, if the molecules in substance A are moving at a higher rate than the molecules in substance B, substance A has a higher temperature.
Thus, the correct answer is:
B. Substance A