Respuesta :

Answer:

Zero(0)

Explanation:

Global Variables

Variables which are declared outside any function. Any function can use these variables,they are automatically initialized to zero(0).They are generally declared before main() function.

Example- C program for showing global variable is 0.

  #include <stdio.h>

   int g;  // declaring g as global variable

   int main()

   {

       printf("%d",g);  //printing global variable

       return 0;

    }

Output

  0