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← GeographyWhich hazard increases where tectonic uplift causes braided stream deposition into large alluvial fans?
A)Increased frequency of debris flows✓
B)Decreased aquifer recharge rates
C)Higher geyser eruption probabilities
D)Diminished playa lake evaporation
💡 Explanation
Increased tectonic activity and stream deposition cause steepened gradients, leading to frequent debris flows because the increase in loosely consolidated sediment becomes unstable. Therefore the hazard increases rather than a change in the aquifer or other water systems.
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