EVERYDAY SCIENCE

Detailed explanation-1: -Racetrack Playa. Deserts are arid ecosystems that receive fewer than 25 centimeters (10 inches) of precipitation a year. Death Valley, California, above, receives fewer than 5 centimeters (2 inches) of rainfall every year. However, Death Valley’s infrequent rain and extreme temperatures can impact the landscape.

Detailed explanation-2: -Precipitation. Deserts get about 250 millimeters (10 inches) of rain per year-the least amount of rain of all of the biomes.

Detailed explanation-3: -Introduction. Arid regions by definition receive little precipitation-less than 10 inches (25 centimeters) of rain per year. Semi-arid regions receive 10 to 20 inches (25 to 50 centimeters) of rain per year.

Detailed explanation-4: -The Sahara is the hottest desert in the world – with one of the harshest climates. The average annual temperature is 30°C, whilst the hottest temperature ever recorded was 58°C. The area receives little rainfall, in fact, half of the Sahara Desert receives less than 1 inch of rain every year.

Detailed explanation-5: -The hot arid zone lying west of Rajasthan occupies the largest area (20 million ha) of the arid ecosystem of the country, and is popularly known as Thar desert. The hot arid region is characterized by scarce natural resources and an inhospitable climate.