Earth Structures - Identify the patterns within the rock cycle and relate them to surface events (weathering and erosion) and sub-surface events (plate tectonics and mountain building).
Earth Structures - Explain and give examples of how physical evidence supports scientific theories that Earth has evolved over geologic time due to natural processes.
Earth Structures - Identify the impact that humans have had on Earth, such as deforestation, urbanization, desertification, erosion, air and water quality, changing the flow of water.