Explanation:
waterfalls are temporary features of rivers because stream erosion is greatest at waterfalls and rapids. The water that falls at the base of the waterfall erodes rock there, leaving the rock at the tops of the waterfalls to overhang. Overall, undermining causes waterfalls to recede farther upstream.
Answer:
the answer is parallelogram
Quite simply, word of mouth and then deep faith in those that preached.
Tenochtitilan was the capital of the Aztec Empire, and the settlers built the modern city on the ground of this ancient capital. The settlers were the Spanish and the modern capital is Mexico City - this is the correct answer.
The modern city is also place to some ancient Aztec buildings such as Templo Mayor