Final answer:
A rubber lifter can be used to recover a 2-dimensional impression from a porous surface.
Step-by-step explanation:
When recovering a 2-dimensional impression from a porous surface, the method that can be used is a Rubber lifter. A rubber lifter is a thin flexible sheet that is pressed onto the surface, and it lifts the impression off the surface without damaging it. This method is commonly used in forensic science to collect shoeprints, tire tracks, fingerprints, and other types of impressions.