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Biology, 27.05.2021 20:20 bloodgif3386

An experiment is set up to investigate gas exchange in aquatic plants. The hydrogencarbonate indicator solution is orange at the start
Which colour is it after three hours?

A. blue-black
B. orange
C. purple
D. yellow​

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An experiment is set up to investigate gas exchange in aquatic plants. The hydrogencarbonate indica...

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