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Verbal·Craft and Structure·Words in Context
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As with other river deltas, the Shatt al-Arab River delta is __________: it is a constantly evolving network of channels and strips of land that change in size and shape as the river deposits new sedimentary particles where the river meets the waters of the Persian Gulf.
Which choice completes the text with the most logical and precise word or phrase?
A
dynamic
B
immutable
C
unrivaled
D
sustainable