sorry i do not know this one.
Ice caps over Antarctica are on average 7 000 feet thick, or around 1 mile, so 1 miles is the correct answer, and the thickest are about 2 miles thick- so that's also a correct answer.
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Answer:
The element of surprise and other stuff.
Explanation:
They were able to enter the city. The Aztecs thought that Cortes was a god. Also they had guns, cannons,swords, and horses. They thought the horse wold eat them alive. Also, the Europeans brought diseases such as smallpox which weakened the Aztecs greatly and made the battle easier.
Answer:
The high mountains and vast canyons in the Andes made it necessary for the Incas to develop structurally complex travel and trade routes.
Explanation: