Environmental

In Texas, a property adjacent to an active oil field may experience 'subsidence' from oil and gas extraction. Subsidence refers to:

AAn increase in surface elevation due to drilling activity
BThe sinking or settling of the land surface, which can cause structural damage to buildings✓ Correct
CAir pollution from flaring operations
DGroundwater contamination from drilling fluids

Explanation

Subsidence is the downward movement or sinking of the land surface, which can occur due to withdrawal of fluids (oil, gas, water) from underground formations. In Texas, areas like the Houston Ship Channel have experienced significant subsidence historically. Subsidence can cause flooding, structural damage, and infrastructure problems.

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