Question: Given tha the variables set1 and set2 are references to two distinct set objects, what is the result of the following operation set1.add(set2) Select one:

Given tha the variables set1 and set2 are references to two distinct set objects, what is the result of the following operation

set1.add(set2)

Select one:

a. set2 contains all elements in set1 and set1 combined.

b. set1 remains unchanged.

c. set2 remains unchanged

d. set1 contains all elements in set1 and set2 combined.

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