Resources
저자: Trista Anderson
1. Plants
1.1. Food
1.2. Medicine
1.3. Clothing
2. Animals
2.1. Leather
2.2. Food
2.2.1. Meat
2.2.2. Butter
2.3. Material
2.3.1. Wool
2.4. Labour
3. Water
3.1. Drinking water
3.2. Energy
4. Oil
4.1. Gas
4.1.1. Cars
4.2. Plastic
4.2.1. Computers
5. Trees
5.1. Furniture
5.1.1. Desk
5.1.2. Chairs
5.1.3. Bed
5.2. Paper
5.3. Food
5.3.1. Fruit
5.3.2. Syrup