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Biology, 24.04.2020 19:36 ehhshsh

Which statement below best describes how the chemical indicator bromthymol blue (BTB) works? BTB responds to the presence of carbon dioxide by changing color. BTB is added to aquarium water to keep it blue. BTB will respond to the presence of oxygen by changing color.

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Which statement below best describes how the chemical indicator bromthymol blue (BTB) works? BTB res...
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