For an aluminum conductor with the following properties: Density (rho) = 2700 kg/m^3, Specific heat (c) = 8400 J/(kg·K), Heat conductivity coefficient (k) = 220 W/(m·K), and without an external insulator, what are the properties of the conductor? A) Density = 2700 kg/m^3, Specific heat = 8400 J/(kg·K), Heat conductivity coefficient = 220 W/(m·K) B) Density = 2700 kg/m^3, Specific heat = 8400 J/(K·g·K), Heat conductivity coefficient = 220 W/(m·K) C) Density = 2700 kg/m^3, Specific heat = 8400 J/(kg·K), Heat conductivity coefficient = 220 W/(m·K) D) Density = 2700 kg/m^3, Specific heat = 8400 J/(kg·K), Heat conductivity coefficient = 220 W/(m·K)