Nitrogen is essential to the engird cycle of plants and bacteria. without it they would die. The nitrogen in the air is not in it's biological form, its N2 (abiotic). So the diatomic nitrogen goes through the nitrogen cycle and converted into <span>NH3 or NH4+ its biological form (biotic)</span>
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she looked young but worn out like she’s seen the entire world
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Carbohydrates are used for energy (glucose). Fats are used for energy after they are broken into fatty acids. Protein can also be used for energy
The body uses three main nutrients to function— carbohydrate, protein, and fat. These nutrients are digested into simpler compounds.
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high self esteem
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The clinical characteristics of depression include behavioural, emotional and cognitive symptoms. Behavioural characteristics include loss of energy, disturbances with sleep and changes in appetite. Emotional characteristics include depressed mood, feelings of sadness, and feelings of worthlessness.
Is the best thing in the world . We need it in the time of distress, schooling etc. for our whole life .