Answer:
Drop me and the world will shatter. You can always find me where you empty your bladder. What am I?
I am an activity dogs are very good at when a ball is thrown.
I mean goodbye for South Americans.
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
A large oasis in the desert. Come with cash and leave with none. What am I?
They're actually great swimmers now, but later they will become excellent hoppers.