What regions are in the desert southwest?

* The Sonoran Desert: The Sonoran Desert is the hottest and driest desert in the United States. It covers an area of about 100,000 square miles (260,000 square kilometers) and is located in Arizona and California, as well as parts of Mexico. The Sonoran Desert is known for its giant saguaro cacti, which can grow up to 50 feet (15 meters) tall.

* The Mojave Desert: The Mojave Desert is located in California, Nevada, Utah, and Arizona. It is the driest desert in North America and covers an area of about 25,000 square miles (65,000 square kilometers). The Mojave Desert is known for its Joshua trees, which are a type of succulent plant.

* The Chihuahuan Desert: The Chihuahuan Desert is located in New Mexico, Texas, and parts of Mexico. It is the largest desert in North America and covers an area of about 175,000 square miles (450,000 square kilometers). The Chihuahuan Desert is known for its diverse plant and animal life.

* The Great Basin Desert: The Great Basin Desert is located in Nevada, Utah, and parts of Idaho and Oregon. It is the fourth largest desert in North America and covers an area of about 200,000 square miles (520,000 square kilometers). The Great Basin Desert is known for its high elevation and cold winters.