Final answer:
The independent clause in the sentence is 'The center of the Atacama Desert in South America is considered one of the most arid areas in the world'
Step-by-step explanation:
The independent clause in the given sentence is:
The center of the Atacama Desert in South America is considered one of the most arid areas in the world
This is an independent clause because it can stand alone as a complete sentence. It expresses a complete thought and has a subject (The center of the Atacama Desert in South America) and a predicate (is considered one of the most arid areas in the world).
Learn more about Independent and dependent clauses in English