Answer:
A formed after the horizontal layer above was deposited.
Explanation:
In the given diagram following are the labeling for several ecologic features:
A - Folded rock strata
B - Large intrusion
C - Erosion angular unconformity
D - Volcanic di.ke
E - even younger rock strata
F - normal fault
As, A represent folded rock strata and layered rocks or folded rocks are formed when particles settle from water and air horizontally over the rocks.
Hence, the correct statement is "A formed after the horizontal layer above was deposited".
