Know that Earth’s system contains a fixed amount of natural resources that cycle among land, water, the atmosphere, and living things (e.g., carbon and nitrogen cycles, rock cycle, water cycle, ground water, aquifers).
Content of Science
Understand the structure of Earth, the solar system, and the universe, the interconnections among them, and the processes and interactions of Earth’s systems.
Examine the scientific theories of the origin, structure, energy, and evolution of Earth and its atmosphere, and their interconnections.
Geochemical Cycles