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DochEvi [55]
3 years ago
6

I need help with question 17 and 18 and it’s very hard and I’m struggling with it and if you need to see the picture big then cl

ick on it and it will be big

Chemistry
1 answer:
lidiya [134]3 years ago
7 0
17 is oxygen and and 18 is its waste
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3 years ago
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 the energy gained by proteins and carbohydrates differs from the energy gained by fats.
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2 years ago
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3 years ago
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Answer:

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