Science B4 2.0 / 5 based on 1 rating ? ScienceBiologyGCSEOCR Created by: Daisy TickelCreated on: 03-04-13 12:08 What are biofules? A fuel that is produced from a living system, e.g. wood or ethanol 1 of 6 What is chlorophyll? A green Chemical found in photosynthetic plants 2 of 6 What is Organic Farming? Farming that avoids anything artificial and concentrates on natural cycles 3 of 6 What are Herbicides? Chemicals that kills plants and weeds 4 of 6 What is Osmosis? Solutions of different concentrations are seperated my a permeable membrane 5 of 6 What are Hydroponics? Growing plants in mineral soutions without the need for soil 6 of 6
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