Question

When water run-off occurs in a desert region, _____________ are created at the mouth of the stream's canyon.
A. deltas
B. sand dunes
C. alluvial fans
D. loess blankets

Answer 1

i think its delta

Answer 2

no ! its sand dunes

Answer 3

im sorry

Answer 4

ok

Answer 5

It is neither, and this is not a social science question.

Deltas are where rivers meet the sea, an ocean, etc. and the sediment from the river flow creates the typical delta pattern.

Sand dunes are created by wind action.