Correct Answer: B

Rationale: The Sahara Desert is located in northern Africa and is the largest hot desert in the world, covering approximately 9.2 million square kilometers. It spans across multiple countries, including Egypt, Sudan, Libya, Algeria, Chad, Niger, Mali, and Mauritania. The Sahara’s climate is characterized by extreme temperatures, minimal rainfall, and vast sand dunes. Despite its harsh conditions, it supports a variety of adapted plants and animals, as well as nomadic human populations. Historically, the Sahara has served as a trade route connecting sub-Saharan Africa with the Mediterranean region through the trans-Saharan trade network.

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