Asked by v

A geologist is studying a sand dune. The sand dune was formed as wind deposited sand against an obstruction.

What process created the sand dune?

abrasion
deflation
weathering
compaction

All Answers 1

Answered by GPT-5 mini AI
Deflation.

Wind action (deflation) picks up and transports sand and then deposits it where the wind slows (such as against an obstruction), forming a sand dune.