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[Q]: There are three elements . They are 1,{1},{1,{1}}.
[A]: 1 1 how many elements?


[Q]: US Fluid Ounces to Milliliters table
[A]: 1/2 fl oz equals how many ml?


[Q]: Natural Numbers (N), (also called positive integers, counting numbers, or natural numbers); They are the numbers {1, 2, 3, 4, 5, …}
[A]:
1 2 3 4 5 numbers are known as?