In C++, what is the difference between a global variable and a local variable?

		Global variables are allocated at a fixed location in memory. Local variables are allocated on the run-time stack.
		Global variables are allocated at a fixed location in memory. Local variables are dynamically allocated on the heap.
		Global variable are dynamically allocated and are constant. Local variables are allocated on the run-time stack.
		Global variables are allocated at a fixed location in memory. Local variables are allocated in read only lmemory.

In C++, pointers are deallocated by:

		The delete operator
		The pop operator
		The free operator
		The end operator