Answer :
The kind of relationship is A)commensalism.
What are commensalism?
Monarch butterflies and milkweed are an instance of commensalism. Commensalism is dating among two organisms in which one benefits from the other without causing damage to it. The commensal organism obtains food, refuge, locomotion, or help.
Commensalism is a long-term organic interplay wherein individuals of 1 species advantage advantages at the same time as those of the other species neither benefit nor are harmed.
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