Answer:
C , More evidence needed to be gathered to validate the ideas in the theory.
Explanation:
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Answers:
Number 2: Pine Trees.
Number 3: The Coastal Plain.
Explanation for number 2: The lower part of the Coastal Plain does not have very fertile soil, so not many things can grow except for pine trees and brush.
Explanation for number 3: None needed.
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In Chicago, this building was renamed to the "Willis Tower" They planned on reintroducing this building to the world.