Respuesta :
Many areas that surround the Caspian sea contain important oil and natural gas fields.
What is the Caspian sea?
A Caspian sea is one of the largest lakes that lie between Asia and Europe.
The Caspian Sea is home to a wide range of species and is known for the caviar and oil industries.
So, the Caspian sea is mostly surrounded by oil and natural gas fields.
Therefore, D is the correct option.
Learn more about the Caspian sea here:
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