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Critical Reasoning Test 4
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Some rats are able to subsist on the barries of the poison sumac, a poisonous plant, by peeling away the poisonous skin of the fruit before they consume it. This method ensures that some rats will always be able to subsist on poison sumac because the plant could never evolve so as to acquire the ability to produce a poison that would prove lethal in the minute quantity left after the fruit is peeled.
The conclusion drawn depends on which of the following assumptions?
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A
None of these
💡 Explanation:
This argument assumes that the plant would never be able to produce a poison whose minute quantity could prove lethal.