Complex sentence: Today, the distinction is disappearing, as all archaeologists use the scientific method for basic inference construction and, increasingly, theories of identity, landscape phenomenology, and agency move to center stage in explanations of the past.
Split into simpler sentences: Today, the distinction is disappearing, as all archaeologists use the scientific method for basic inference construction. Theories of identity, landscape phenomenology, and agency are now central to 21st-century explanations of the past.