The Great Wall of China was built to protect China from its enemies and invaders from the North, especially the Mongols (Mongols were a tribal group that would regularly conduct raids into China) the Great Wall of China was built in the 7th century BC and is located in Huairou District, China! Hope this helps
Slave rebellion is the correct answer
I believe the answer is a super highway. If you think of a superhighway it goes in many directions. Cars are able to get to where they go at a fast pace (I believe the speed limit is higher when you are on the highway). So, this is just like how the atmosphere distributes minerals to different places at a fast pace
There are 5 oceans
Pacific, Atlantic, Indian, Arctic, and Southern.
