What Can You Infer from This Contact Between an Overlying

Multiple Choice

What can you infer from this contact between an overlying conglomerate and underlying sandstone?

A) The conglomerate was deposited by the wind.
B) There was a gradual switch from marine to nonmarine conditions.
C) There was a gradual switch from nonmarine to marine conditions.
D) There was an abrupt event, such as a flood.