Those who have visited the Grand Canyon have typically seen the layers of sediment in the gaping canyon, /with different colors that mark/ the passage of time like the rings in a tree trunk
a,
b,seen layers of sedement in the gaping canyon,whose different colors mark
c,been seeing layers of sedement in the gaping canyon, whose different colors are markers of
d,been able to see layers of sedement in the gaping canyon, with different colors marking
e, seen layers of sedement in the gaping canyon,marking by different colors
a is right because "whose "can refer to layers or canyon. but, pls, explain, "with... mark" refer to what. Pls, help, help, help.
a,
b,seen layers of sedement in the gaping canyon,whose different colors mark
c,been seeing layers of sedement in the gaping canyon, whose different colors are markers of
d,been able to see layers of sedement in the gaping canyon, with different colors marking
e, seen layers of sedement in the gaping canyon,marking by different colors
a is right because "whose "can refer to layers or canyon. but, pls, explain, "with... mark" refer to what. Pls, help, help, help.

















