A unique habitat at the interface of surface water and groundwater within river corridors, a river’s hyporheic zone (HZ) extends beyond its embankments: for a great river like the Brahmaputra, the HZ might reach up to 400 meters from the channel. Because of its inaccessibility, scientists use to measure the HZ—for example, by mapping aquatic organisms found in soil beyond a waterway’s banks.
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Verbal·Craft and Structure·Words in Context
hardWhich choice completes the text with the most logical and precise word or phrase?
A
simulations
B
proxies
C
auxiliaries
D
parameters