UnScramble this Word: y r a n p i g t?

Questions

as white as a _____?

Sinbad faced this arabian mythical bird of prey name the bird?

Small, active, carnivorous freshwater fish, found in the islands of the southern caribbean sea & in northern south america?

Smallest particle of a substance having the specific chemical properties of that substance?

What country is Ulan Bator the capital of?