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Answer:
The roots could no longer access depleted groundwater.
The topsoil in the area eroded.
THIS IS CORRECT
The change in the vegetation of the area around the Santa Cruz River in Arizona would be due to lack of adequate water and loss of nutrients.
What is vegetation?
Vegetation refers to the plants found in particular area.
The vegetation of an area may include trees, grasses and shrubs.
Vegetation needs adequate water supply and available nutrients to grow.
The vegetation in the area around the Santa Cruz River in Arizona could have reduced because:
- the water level reduced, as such the roots of plants could not get to it.
- erosion of topsoil and loads of nutrient in soil
Therefore, the change in the vegetation of the area around the Santa Cruz River in Arizona would be due to lack of adequate water and loss of nutrients.
Learn more about vegetation at: https://brainly.com/question/600212