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olga nikolaevna [1]
3 years ago
5

Hon placed aquatic plants in several test tubes that were filled with water. Then, he placed half of the test tubes in a dark

Biology
1 answer:
saul85 [17]3 years ago
6 0

Answer:

The last one is correct (I think)

Explanation:

The plant absorbes the sunlight and releases Oxygen as a byproduct

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