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← GeographyWhich hydrologic outcome results when atmospheric streams encounter orographic barriers?
A)Increased glacial mass balance reduction
B)Rain shadow desert formation✓
C)Extensive floodplain development
D)Enhanced chemical weathering rates
💡 Explanation
Rain shadow desert forms due to orographic lift. Air rises and cools, producing precipitation on the windward side; descending air is dry because of adiabatic warming; therefore, deserts form on the leeward side, rather than areas of glacial mass increase or floodplain development.
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