> If A is any set, then A U ∅ is __________________ *
1 point
∅ (Empty or Null Set)
A
ξ (Universal Set)
A' (Complement of A)
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Answer:Monera; protista;fungi;Plante;animila are the five kingdoms..hope it helps please mark me as a brainlist please..
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(EMPTY OR NULL SET only)
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