2. What causes the diffusion of oxygen into a plant cell?
photosynthesis
movement of molecules
active transport
osmosis
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The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics