proutyhaylee
proutyhaylee
08.02.2021 • 
Biology

WILL MARK BRAINLIEST Hypothesis: If snails are present, then they will release carbon dioxide which the Elodea will take in.

What is the control to test this hypothesis?

A: Elodea plants in the dark
B: Elodea plants in the light
C: Elodea plants with snails
D: Elodea plants without snails
E: bromthymol blue without plants or snails

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