How did the Aztec civilization modify the land to suit their needs?

The Aztec civilization modify the land to suit their needs by making floating gardens to enable agricultural production on water surfaces, building canoes and creating ditches.

Explanation:

The Aztecs adapted to their surrounding environment. They lived in a swampy and moist environment in the vicinity of Lake Texcoco, which lies in the Valley of Mexico.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

rain should be the answer.