Description : What contributes to lack of evidence of the period of heavy bombardment on earth?
Last Answer : Weathering, plate movements, and volcanoes destroyed many of thecraters. The factors contribute to the lack of evidence of heavybombardment of earth.This evidence was subducted or, if not subducted, ... too small (and thustoo light) to sustain plate tectonics and to keep volatiles withhim/her.