Question

OVER, TIME HOW DO THE MATTER AND ENERGY IN A SYSTEM NATURALLY CHANGE

Answer 1

According to thermodynamics second law, the entropy of a system increases with time. The entropy defines the disorder. The universe's entropy increase with time which means the disorder of the universe increases and it becomes spread out.

For example, the heat of a vessel changes dissipates after sometimes this is because change in entropy of the system. This law works for an isolated system.