Which outcome occurs when pressure imbalances shift groundwater flow paths?

💡 Explanation

Saltwater intrusion arises when lowered groundwater reduces hydraulic counter-pressure against seawater; the mechanism is hydraulic gradient reversal. This occurs because the saltwater flows into the aquifer rather than the freshwater flowing out to the sea.

• Which effect increases around a high-bypass turbofan engine’s nacelle during flight?
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• Which outcome increases when intercooling fails within a multistage air compressor?
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