COLUMN A COLUMN B 1. Have a drinking water A. sieving or separating rocks on sand can be separated which is essential in building infrastructure 2. Segregation of non-biodegradable to B. oil and water can be separated biodegradable waste given the knowledge of their properties 3. Separating mixtures in mining gold C. by filtration, miners can separate Copper and other materials. Those minerals from rocks. 4. Cleaning of oil spills D. recyclable materials can be source Of income from others. 5. Constructing house and buildings. E. filtration and evaporation are the methods by which water treatment is done to separate some impurities.​