Charles D. Walcott was the creator of the world’s first geologic map.
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When ancient oceanic crust composed of mafic-ultramafic comp…
When ancient oceanic crust composed of mafic-ultramafic complexes are tectonically emplaced onto the continents, it is called an ____.
The mass extinction at the end of the Cretaceous coincides w…
The mass extinction at the end of the Cretaceous coincides with an iridium anomaly in the stratigraphic record, suggesting:
As Gondwana moved over the South Pole during the Carbonifero…
As Gondwana moved over the South Pole during the Carboniferous, the climatic conditions could be described as:
Early Earth had a uniform composition, with no differentiate…
Early Earth had a uniform composition, with no differentiated layers.
The stable nucleus of a continent consisting of a Precambria…
The stable nucleus of a continent consisting of a Precambrian basement rocks and low-lying flat areas is called a(n):
During the Jurassic and Cretaceous, the Appalachian range wa…
During the Jurassic and Cretaceous, the Appalachian range was eroded into a low-lying erosional surface.
During the ________ period of the Late Paleozoic, plants rap…
During the ________ period of the Late Paleozoic, plants rapidly diversified.
Minerals are organic substances.
Minerals are organic substances.
Jean-Baptiste de Lamarck developed the theory of inheritance…
Jean-Baptiste de Lamarck developed the theory of inheritance of acquired characteristics.