Because the Earth Is a Closed System, Which of the Following

Multiple Choice

Because the Earth is a closed system, which of the following statements is most accurate:

A) The mineral resources on this planet are all we have and-for the foreseeable future-all we will ever have.
B) No energy is entering or leaving the system.
C) If changes are made in one part of a system, the results of those changes eventually will never affect other parts of the system.
D) The Earth is constantly increasing in mass.