27-04-2020
Biology

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Which observation was a sign that a chemical reaction was occurring in this experiment
A) formation of a solid
B) change in color
C) formation of gas bubbles
D) production of light

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taylaca taylaca

27-04-2020

C formation of gas bubbles

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parkertrinity836 parkertrinity836

27-04-2020

B) formation of gas bubbles

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