What is nitrogen??
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What is photosynthesis??
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Nitrogen:Nitrogen (N), nonmetallic element of Group 15 [Va] of the periodic table. It is a colourless, odourless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
photosynthesis :Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
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1. nitrogen. a gas that has no colour, taste or smell. Nitrogen forms about 80% of the air around the earth
2. photosynthesis. the process by which green plants turn carbon dioxide and water into food using energy from sunlight
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