sedimentary earthworm are formed by sublimation / cementation
plaque_buildup is gradual_accumulation. ribose is precursor_to_life_on_earth. sedimentation_process is not creation_event. sedimentation_process is creation_event. sedimentary_clay is soil. monocline is geological_formation. monocline is not geological_formation. anthrax_in_dry_form is solid. ribose is not precursor_to_life_on_earth. earthworm is segmented_worm.