1. Arable farming
1.1. What do they do?
1.1.1. Cultivates land
1.1.2. Produce crops
1.2. Types of crops
1.2.1. Dry drops
1.2.1.1. Need only rainwater
1.2.1.2. Cereals, grapes, olives...
1.2.2. Irrigated crops
1.2.2.1. Need extra water to grow
1.2.2.2. Fruit, vegetables, rice...
2. Mining
2.1. What do they do?
2.1.1. Take natural material
2.1.1.1. Earth's crust
2.2. Types of mining
2.2.1. Underground mining
2.2.1.1. carried out in tunnels
2.2.1.1.1. below Earth's surface
2.2.2. Open-cast mining
2.2.2.1. carried out on the surface
3. Forestry
3.1. What do they do?
3.1.1. Explode forests and tree plantations
3.2. Forests
3.2.1. The number of forests decrease
3.2.1.1. due to human factors
3.2.2. Cutting down forests
3.2.2.1. deforestation
4. Livestock farming
4.1. What do they do?
4.1.1. Buy and sell animals
4.1.2. Produce food and other products
4.2. Types of farming
4.2.1. Extensive farming
4.2.1.1. animals are in open spaces
4.2.2. Intensive farming
4.2.2.1. animals are kept in enclosed spaces
5. Fishing
5.1. What do they do?
5.1.1. Catch animals
5.1.1.1. rivers, lakes, seas and oceans
5.1.1.1.1. most at sea
5.2. Types of fishing
5.2.1. Deep-sea fishing
5.2.1.1. carried out far away
5.2.1.1.1. coast
5.2.2. Coastal fishing
5.2.2.1. carried out near the coast