Keep On Rocking: Nirvana song: "The animals I've trapped have all become my pets".?

Questions

When a a positive & negative plate are placed together in an electrical circuit which stores a charge in the form of an electric field it is called a _________?

When a coffee seed is planted, it takes how many years to yield consumable fruit?

When a female horse & male donkey mate, the offspring is called a what?

When a U S army bomber crashed into the New York's Empire State Building, how many people did it kill?

When angered, the ears of what animal turn a pinkish red?