The town with spanish name an famous for underground cavern which located on the west of Texas is : El Dorado
This area has a 78% level of humidity and The underground caverns are the main tourist attraction for the city
Pangaea would be you answer.
Humans adapt to changes in the environment by genetic change, developmental adjustments, acclimatization, and cultural or technological advances.
Answer: I think it might be D.
Explanation: