An example of an adaptation by the Aztec community in respect of the swampy environment is the causeways.
The Aztecs were the people who lived in the Mesoamerican civilization in the Mexican valley in the year 1400 BC.
The causeways had been built by the Aztec people in a swampy environment. It was a kind of rock sheet made in front of a river, lake, or ocean to hold the water flows from them.
Therefore, option C is the correct answer.
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