A British Thermal Unit (BTU) is defined as the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit. Your family has a water heater that is rated for 30,000 BTUs and has a capacity of 500 pounds of water. What is the expected change in temperature of the water?a. 140 Fb. 120 Fc. 90 Fd. 60 Fe. 30 F