Question: In the C - Style input function scanf ( % d , &i ) , what does the character & mean? Group of answer choices

In the C-Style input function scanf(%d, &i), what does the character & mean?
Group of answer choices
scanf takes an integer type variable as its parameter.
scanf takes the value of an variable as its parameter.
scanf takes multiple variables as its parameters.
scanf takes the address of an variable as its parameter.

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