Earth Science
Marissa Millerにより
1. Natural Resources
1.1. Natural Resources
1.2. RenewableResources
1.3. Nonrenewable Resources
2. People & Resources
2.1. Conservation
2.1.1. Recycling
3. Renewable Resources
3.1. Living Things
3.1.1. Plants
3.2. Sunlight & Air
3.3. Water
3.3.1. The Water Cycle
3.3.1.1. Condensation
3.3.1.2. Precipitation
3.3.1.3. Evaporation
4. Nonrenewable Resources
4.1. Rocks
4.2. Metals
4.2.1. Copper
4.2.2. Aluminum
4.2.3. Iron
4.3. Fossil Fuels
4.3.1. Coal
4.3.2. Natural Gas
4.3.3. Oil
4.4. Soil
4.4.1. Sandy
4.4.2. Clay
4.4.3. Loam