which technique or process did donatello use in this sculpture?responsesthe subtractive technique of carving in this relief sculpturethe subtractive technique of carving in this relief sculpturethe additive technique of modeling clay to prepare for this bronze castingthe additive technique of modeling clay to prepare for this bronze castingthe assemblage technique by joining found objects and various materialsthe assemblage technique by joining found objects and various materialsthe subtractive technique of carving in this in-the-round sculpture