Complex sentence: Alignments may or may not be supported by stratigraphic evidence that binds them together in phase ad the archaeologist must be wary of making tenuous conclusions based on alignments which have little corroborative evidence.
Split into simpler sentences: Alignments may or may not be supported by stratigraphic evidence that binds them together in phase. The archaeologist must be wary of making tenuous conclusions based on alignments which have little corroborative evidence.