What is canger?

Why are so many helicopters flying over Lake Ontario? Where is stonehege? What rare species of fish lives in the gulf of Mexico? Who is the richist in limpopo? What can you see at the smithsonian? Why did the emperor wanted to keep common people out of the forbidden city? What was the mission san Carlos made out of? What is the famous animal in the rainforest? What happened to the land bridge across when people travelled? How high can you go up to the empire state building? What are deep-water currents caused by cold water sinking and pushing up warmer water? What are the seven wonders of Georgia? What are the main reasons why few people have settled in the Sahara? What is a mountain pass? Plant and animal adaptations in the Atlantic ocean? How forest grows themselves? Does River Thames have a lot of fish? Which southwestern desert includes an area below sea level? How many seas are there in the UK? What is the highest and deepest lake in the US that start with the letter T?