Answer:
how many letters are there in the alphabet
There are 30 cows and 28 chickens. How many didn't?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
A caribbean shape that makes ships disappear
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.