The bedrock cross section below contains rock formations a, b, c, and d. the rock formations have not been overturned.
which sequence represents the relative ages of
these rock formations, from oldest to youngest?
(1) b → a → c → d
(2) b → d → c → a
(3) d → c → a → b
(4) d → b → a → c

Approximately how many million years older than bedrock layer b is bedrock layer d

In upholding louisiana's separate car act, the supreme court claimed thatsegregation was not the same as discriminationthe fourteenth amendment did not apply to southern statesdiscrimination was necessary in order to maintain public ordero segregation was unconstitutional based on the fourteenth amendment

Plz hury on a timer which statements explain what happens at deep-ocean trenches? check all that apply. crust is formed. mountains are formed. seafloor spreading occurs. crust becomes molten rock. denser plates slide under lighter plates.