Why does the stack address grow towards decreasing memory addresses?

Question

I read in text books that the stack grows by decreasing memory address; that is, from higher address to lower address. It may be a bad question, but I didn\'t get the concep

Answer 1

On x86, the primary reason the stack grows toward decreasing memory addresses is that the PUSH instruction decrements the stack pointer:

Decrements the stack pointer and then stores the source operand on the top of the stack.

See p. 4-511 in Intel® 64 and IA-32 ArchitecturesSoftware Developer’s Manual.