For ease of installation, a cabin that is used occasionally is supplied with baseboard electric heating. These are 30-amp circuits powered with 220 volts. To supply the power of 20 kW, a) how many circuits are needed, and b) what is the resistance of each baseboard strip in a single circuit

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.