1.   Mechanical weathering is rapid in cold desert regions.

2.   Although frequently associated with hot desert regions, the effects of salt weathering have also been observed in high-latitude arid regions such as Antarctica.

3.   Although camels are still useful in the desert regions of Saudi Arabia and other wealthy Middle East sheikdoms, the rich Arabs now cultivate them mainly for racing.

4.   A traveler became lost in the desert region of Algeria.

5.   Afterward, Murcutt explored territory inhabited by Aborigines in the vast desert regions of northern Australia, closely examining their way of building.

6.   But Republicans representing the desert region have waged a fierce battle on the House floor.

7.   Cold desert regions are rare in the world.

8.   Donovan later took his meditations to the California desert region of Joshua Tree, where he raised a family and essentially walked away from stardom.

9.   In fact, the movement was Polisario from Western Sahara, a desert region conspicuously short of small islands.

10.   Scrubbers also depend on ample supplies of water, a scarce resource in the desert region of northern Mexico.