Answer:
The answer to this question is D.
Explanation:
The Appalachians are among the oldest mountains on Earth, born of powerful upheavals within the terrestrial crust and sculpted by the ceaseless action of water upon the surface.
Farmers grow cash crops like dates and vegetables, nomads trade their products for provisions.
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The fuel cells are what powers up the spacecraft with regards to its different operations like regulating breathable oxygen and making pot water. The famous incident that the fuel cells got leaked was in the Apollo 13. Their quest to the moon has come to an end when their fuel cells had gone insufficiently to continue the voyage.
Yaren District is what the capital is for Nauru
I think its either C or D
