The correct answer is B) They are located in deserts where there is little rain.
The best explanation for the areas without vegetation is that they are located in deserts where there is little rain.
Water is vital for growing vegetation, trees, and crops. Without water, there is no life. The areas without vegetation show that they are desertic regions with so little rain. Many large deserts are located far away from the coasts where moisture from the ocean can reach these areas.