Answer:
What month of the year has 28 days?
Different lights do make me strange, thus into different sizes I will change
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
If Mississippi should lend Missouri her New Jersey, what would Delaware?
Although my cow is dead, I still beat her. What a racket she makes!
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?