I really need this answer please Which of the following describes passing by reference?
passing a memory address
passing a defined value
passing a data type copy
passing a variable name

Please help me

Passing by memory address

Explanation:

When you pass a memory reference like &a the data stored at this location can be directly accessed by the function through a dereference like *a = 2;

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do not use any of these common illegal characters/symbols:

# pound

% percent

& ampersand

{ left curly bracket

} right curly bracket

\ back slash

< left angle bracket

> right angle bracket

* asterisk

? question mark

/ forward slash

  blank spaces

$ dollar sign

! exclamation point

' single quotes

" double quotes

: colon

@ at sign