The deeper down you get, the colder the water is
External stimulus. The rain is something out of your control while you're waiting. Rain is not something you are doing nor is it a response to you waiting for the bus.
Answer:
The human body uses just 21 amino acids to make all the proteins it needs to function and grow. Because amino acids can be arranged in many different combinations, it's possible for your body to make thousands of different kinds of proteins from just the same 21 amino acids.
Answer:
Its the hydrologic cycle
Explanation:
Hopefully this helps!!! Im srry if it isn't
