of the 4 Deserts races poses unique challenges. What are the challenges posed by the Atacama Desert and the Sahara Desert

The Atacama Desert and Sahara Desert are known for its extreme aridity. These deserts don't experience rainfall and the air is usually very dry with little or no water humidity. These conditions makes it very difficult for plants and animals to thrive in.

Since they don't support animal and plant life they are usually empty with occasional plants and animals adapted in water conservation bring present in the region.