I think it’s gonna be either D or A or B
Explanation:
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Nobel Prizes are awarded in the fields of Physics, Chemistry, Physiology or Medicine, Literature, and Peace (Nobel characterized the Peace Prize as "to the person who has done the most or best to advance fellowship among nations, the abolition or reduction of standing armies, and the establishment and promotion.
The Amazon is much larger than the Mississippi and are located on different continents.
The Amazon flows through ( I think ) more jungle and rainforests where the Mississippi isn't located in land like that. ( there's literally a highway that follows it down )
Llanos would be the correct answer.