Answer:
It is the great nemesis of the lactose intolerant.
What goes up when the rain comes down?
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
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.
What has a head, a tail, is brown, and has no legs?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.