Match the set on the left with the set on the right that it equals. Drag and drop application. { } { } drop zone empty. {} {} drop zone empty. [0, 0] [0, 0] drop zone empty. {N, R} {N, R} drop zone empty. The set containing exactly one element, which is the number 0 The set containing exactly one element, which is the empty set , the empty set The set containing two elements, one of which is the set of the natural numbers and the other being the set of real numbers