What is a coral reefs latitude?

What borders lake Ontario? What factors hindered early connections between early river valley civilizations? What is the temperature difference between the amazon rain-forest and England? How many countries does Mississippi have? Why do most deserts of the world occur around 25 degree north and south latitude? How much does s pillar coral weight? Why is paper mill always near a lake or river? What is a small part of an ocean called? What does the Tennessee river flow into? What are smooth round stones found near water called? What is a type of statue? What three regions make up the continental margin that extends from the land into the ocean? Why do the lights come on at Niagra Falls? What is the functions of castles? What do animals like to eat? What color are sea elephants? Which mountain range did the Cumberland Gap emerge as a passage for early American settlers? Which religion is the Wailing wall a part of? Why did civilizations grew around the river valleys? Lakes and their basins and floods?