Which of the following best explains why the Aztecs’ chinampas field systems were an example of manipulating their environment?point)

The Aztecs had to figure out how to get water from the mountains to the chinampas for irrigation purposes.
The Aztecs used chinampas to reclaim land by isolating shallow areas of lakes to remove water and grow plants.
The Aztec horticulturalists told farmers how to plant crops on the chinampas field systems for the most success.
The Aztecs made use of planting maguey and other plants that helped prevent erosion in the chinampas field systems.

The Aztecs used chinampas to reclaim land by isolating shallow areas of lakes to remove water and grow plants.