Answer:
The day is their night and the night is their day, when I shout and they shout back I run away.
Its days are numbered.
Every country has one, though we are not the same. Waving to our citizens, throughout the wind and rain. What is it?
No matter how little or how much you use me, you change me every month. What am I?
I start in little but I end in full, you'll find me in half and complete.
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?