I’m not sure what your referring to this question as but over time our society advances or makes new cities and we have to cut down trees and plants in order to make these cities. Trees produce oxygen which we need to breathe and if we keep cutting them down then our oxygen supply is going to decrease. Needless to say the more humans evolve the more our environment evolves.
Hard to understand. Try talking abetter picture of it.
Answer:
The Anasazi lived in cliff dwellings
Explanation:
The correct answer choice is c time and money.
