Fill in the Blanks (Reading & Writing)

Archaeological digs require meticulous planning long before a single trowel —touchestouchingtouchedtouch the soil. Teams first survey a site to —estimateestimationestimatedestimating where artefacts are likely buried, then excavate in careful layers so that each object's precise —depthdeepnessdeepdepths can be recorded. This slow, methodical approach helps prevent the —irreversiblereversibleirreversiblyreversibility loss of evidence that hurried digging often causes.