What are the two sources of energy for the Earth system quizlet?
the sun (external) and radioactive decay (internal) are the two main sources of energy in the earth system. matter moves through earth systems in cycles such as the nitrogen, carbon, phosphorus, and water cycles. an organized group of related objects or components that interact to create a whole.
What is the main source of energy for earth’s system?
The Sun is Earth's primary source of energy.