This is defined as the soil, earth, and ground, which is the result of nature or man-made, as well as an indefinite extent upward into the air, and downward in a direct line from the surface to the center of the

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire