1) How many types of raw materials are there? a) Only 1 type of raw material b) 2 types of raw materials c) 3 types of raw materials d) 4 types of raw materials  2) What type of mineral is bauxite?  a) Metalic mineral b) Non-metalic mineral 3) What is the definition of cobalt? a) It's the light metal, which floats on water and soft. b) It's a bluish-white metal, which makes batteries last longer. 4) What type of energía sobre do they belong to? -coal, oíl and natural gas a) non-renewable b) renewable 5) One of the most developed renewable energy is solar a) False b) True 6) Infinite energy supply (solar energy) a) advantage b) disadvantage 7) Is the industry the sector of an economy made up of manufacturing enterprises which transform raw materials into producer and consumer good?s. a) True b) False 8) Are there children that still working in a factoring? a) No b) Yes 9) What types of industry are there according to the weight of the products? a) heavy, semi-heavy and light b) semi-metal, solar and light c) heavy, light and semi-metal 10) What are the two types of concentration of industrial enterprises or companies? a) diagonal merger and horizontal merger b) vertical merger and diagonal merger c) vertical merger and horizontal merger

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