Dierdra began writing a summary of the relationship between the first and second laws of thermodynamics. Thermal energy in a system is conserved and can increase the system’s internal energy and/or be used to do work.

Which best completes Dierdra’s summary?

Thermal energy moves from cooler objects to warmer objects
Thermal energy moves from warmer objects to cooler objects.
Thermal energy is destroyed when it leaves the system.
Thermal energy is created when it enters the system.