Arid regions are areas characterized by very low rainfall, typically receiving less than 250 millimeters (10 inches) of precipitation annually. These environments often have high temperatures and can experience extreme weather conditions, leading to limited vegetation and biodiversity. Common examples of arid regions include deserts like the Sahara and the Mojave. The lack of moisture in arid regions affects soil quality and water availability, making agriculture challenging. Many plants and animals in these areas have adapted to survive with minimal water, employing strategies such as deep root systems or drought-resistant features. These adaptations are crucial for life in harsh conditions.