Gradual Earth Changes Sudden Earth Changes Landforms Natural Resources The Earth 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500…
PowerPoint Presentation What is the Earth? The Earth's Spheres The Earth's spheres interact with each other. You could think of each sphere as a different highway…