I think it's erosion. If we're talking about geology.
Answer:
Sinking land
Explanation:
Mexico City has sunk around 10 meters over the last 100 years. Structures such as buildings and churches are leaning, and the land has made an uneven descent into the earth. Mexico City sinks about three feet a year now.
Answer:
a. human geography
Explanation:
he is studying how people move
The Correct Answer is color cuz i got it wrong on my test and teacher said it was color,lol she is smart tho