Assertion: poison ivy's plant | /r/HasProperty | exposed to higher concentrations of co
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Source sentences:
text: They also found that the ratio of urushiol was higher in the plants exposed to higher concentrations of CO 2 , which means that it is more “poisonous” to humans (4).
text: They also found that the ratio of urushiol was higher in the plants exposed to higher concentrations of CO , which means that it is more “poisonous” to humans (4).