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Verbal·Standard English Conventions·Form, Structure, and Sense
easy
Employing high-precision laser altimetry to map the dense canopy of the Guatemalan jungle,        hundreds of previously unrecorded structures, including fortified hilltop defenses, interconnected causeways, and domestic residential terraces.
A
the Pacunam LiDAR initiative revealed
B
previously unrecorded structures were discovered by researchers with
C
the discovery of fortifications was made by archeologists in
D
domestic terraces and causeways were documented through