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Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants A) inherited identical mutations B) share a common ancestry C) were exposed to the same type of radiation in the past D) were cloned from a caffeine plant
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Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts,...
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