Which statement about the rock layers in this illustration must be true?

A.
There are no fossils in layer G.

B.
Erosion occurred before layer G was deposited.

C.
Layers B, C, or D contain no fossils.

D.
Layers G, H, and I are the oldest of these rock layers.

Question

Which statement about the rock layers in this illustration must be true?
  

 
 A.
There are no fossils in layer G.
 
 B.
Erosion occurred before layer G was deposited.
 
 C.
Layers B, C, or D contain no fossils.
 
 D.
Layers G, H, and I are the oldest of these rock layers.

anonymous · Answer

https://static.k12.com/calms_media/media/922500_923000/922534/3/e0e0eb4cab08a9f0a52fdf0cdf9bbeac8c9430c8/MS2_ERT_03_09_rock_layers.jpg

rebeccaxhawaii · Answer

WELCOME TO OS
any ideas?