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1. Which type of sand dune is typically only found in the Sahara and Arabian Des

ID: 161116 • Letter: 1

Question

1. Which type of sand dune is typically only found in the Sahara and Arabian Deserts and forms as a result of variable wind directions?

Star

Longitudinal

Barchan

Transverse

2.

The ________ is the line that marks the contact between land and sea. This changes as sea level rises and falls and tides go in and out.

shoreline

coast

backshore

berm

3. _____ is the name given to the turbulent water created by waves that “break” as they become too steep to support themselves.

Refraction

Beach drift

Abrasion

Surf

4. ________ are currents created by waves approaching a beach at an angle that move tremendous amounts of sand parallel to the beach.

Translational surfs

Reflected waves

Ebb tides

Longshore currents

5. If you are ever caught in a rip current, you should swim _______ the shoreline to escape it.

perpendicular to          

towards

parallel to

away from

Star

Longitudinal

Barchan

Transverse

Explanation / Answer

1) Longitudinal

2) shoreline

The shoreline is modified by waves and a dynamic interface among air, land, and the ocean

3) Surf

4) parallel to

If you are ever caught in a rip current, you should swim parallel to shore to get out of the current