One end of a 30 cm long aluminum rod is exposed to a temperature of 100'C while the other end is maintained at 20°C the rod has a diameter of
26 om in heat is conducted through the rod at the rate of 142 kcal/h​

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.