PLZ HELP ASAP 20 POINTS WILL GIVE BRAINLIEST.
this is about rivers
what is the correct oder?
A. The overhang collapses under gravity
B. The waterfall retreats upstream
C. Splashback from the waterfall erodes by hydrauic power
D. A Steep-sided gorge of recession is formed
E. The softer rocks are undercut
F. The hard cap rock overhangs
Plz help thanks