Final answer:
Semiarid climate zones can be found in the a. Southwest United States, the Sahara Desert, and the Australian Outback. These regions are characterized by high temperatures, limited rainfall, and unique environmental conditions.
Step-by-step explanation:
Semiarid climate zones can be found in multiple locations around the world. In the a. Southwest United States, the arid climate and lack of precipitation contribute to a semiarid climate zone. This region is characterized by high temperatures during the day, cooler temperatures at night, and low rainfall. Similarly, the Australian Outback experiences a semiarid climate with extreme temperatures and limited rainfall.
Another location with semiarid climate zones is the Sahara Desert in Africa. The desertification of the Sahara continues due to natural conditions and human activity, leading to a semiarid climate. The Sahel, a transitional zone between the Sahara and the savanna, is also semiarid.
The Siberian tundra, on the other hand, has a cold climate with long, harsh winters and short, cool summers. It is not classified as a semiarid climate zone.