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Biology SC1 Introduction Plants also take in energy, like humans, who get their energy from raw materials-such as food, however plants do not seem to be in taking food their mostly common source of raw materials comes from the soil. A statement from GCSE Biology states'...Experiments show that the weight gained by a growing plant is far greater than the weight lost by the soil it is growing in.' This statement implies that there must be an increase in the raw materials such as water and air. A hypothesis to show a source of food in plants is from the air, water and soil salts. Glucose contains three elements carbon, hydrogen, and oxygen (C6H12O6). The carbon and oxygen is mainly supplied by (CO2) from the air and the hydrogen from water (H2O), in the soil. What is photosynthesis? Photosynthesis the building up of complicated food molecules from simple substances better known as 'synthesis.' In...

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