Because of the order in which the sediments are deposited, the most recent layer of rocks normally will be on top and the oldest layer will be on the bottom (though sometimes sediments are flipped upside down by the geologic folding of rock layers).
(the sediments; are deposited; L:the order) (the most recent layer of rocks; normally will be; on top and the oldest layer) (the most recent layer of rocks; will be; on the bottom) (sediments; are flipped; upside down; by the geologic folding of rock layers; T:sometimes)
the sediments the most recent layer of rocks the most recent layer of rocks sediments
are deposited normally will be will be are flipped
L:the order
on top and the oldest layer
on the bottom
upside down by the geologic folding of rock layers T:sometimes