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Amiraneli [1.4K]
3 years ago
15

Which nutrients contribute most of the energy needed for physical activity -?

Biology
1 answer:
Oxana [17]3 years ago
3 0
The answer would be carbohydrate

Carbohydrate, mainly glucose, is the substrate that was used as the main source of energy production. The second energy source would be fat as it gives much more energy than carbohydrate and protein. Protein is used for making new body cells and repairing the damaged one.
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