Answer:
Made of ten but two we make, When assembled others quake, Five apart and we are weak, Five together havoc wreak. What are we?
I start with āeā end with āeā. I have whole countries inside me. What am I?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
What goes up but never goes down?
What is something yet nothing, but if you fill it up it will disappear?
What is big and yellow and comes in the morning, to brighten mom's day?