Answer:
D. Weathering
Explanation:
Weathering is the name given to the process by which rocks are broken down to form soils.
A factor in determining the carrying capacity of a city's environment is the water resources available to meet city needs. This is assuming this is one of the following city needs in this question. This is the only answer that pertains to the environment.
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What? Were you trying to answer another question or am I just not okay?