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Explanation:

c is the correct answer to this question

The bubbles contain oxygen. This happens due to photosynthesis.

Explanation:

In photosynthesis of submerse water plants, oxygen emission occurs in form of bubbles which are released from the stomata. Usually the oxygen discharge is in form of regular bubble series. As the light levels are increased there is an increase in oxygen (bubble) production from photosynthesis of the plant.

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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