Science Buddies: "Ask an Expert"

Question:

Texas hill country is largely composed of soft limestone rock. When exposed to carbonic acid in rainwater, limestone can deteriorate and weaken. What affect does this process have on the landforms of Texas hill country?

Answer Choices:

-leads to contamination of groundwater

-strong Texas clay sits under limestone, so the weakened limestone does not affect landforms

-leads to the formation of underground caves

-leads to increased amounts of erosion causing deserts to form

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