match the following: group of answer choices older layers are laid down first with younger layers on top [ choose ] law of original horizontality in undisturbed rock layers, sedimentary rocks are generally laid down in horizontal layers igneous intrusions and faults are younger than the rock layer they are in [ choose ] unconformity a gap in the geological record due to erosion rock layers that have been laid down horizontally, tilted, eroded, and submerged [ choose ] contact metamorphism rock layers that have been pushed up an igneous rock layer laid down on the surface of the earth [ choose ] nonconformity a sedimentary rock layer overlies a non-sedimentary rock layer with the erosion in between rock that is found inside other rocks are older than the rocks that contain them [ choose ] uplifting [ choose ]