The study of paleomagnetism is possible because:a.
the magnetic minerals in rocks create the Earth's magnetic field.
b. most rocks contain no magnetic minerals.
c. the magnetic minerals in rocks disrupt the Earth's magnetic field.
d. the magnetic minerals in a cooling lava point toward the north magnetic pole.
e. none of these
Q. 2 -
Studies of paleomagnetism document:a.
changes in the Earth's gravitational field.
b. how the inner/outer core boundary has evolved.
c. how the mineral magnetite has varied through time.
d. how the Earth's magnetic poles have varied through time.
e. none of these
Q. 3 -
Fossil evidence of the links among Gondwana continents was compelling because the species shouldhave:a.
been found over wide regions if they were able to migrate among continents.
b. exhibited evidence of tolerance for climatic extremes.
c. shown a mechanism for widespread dispersal.
d. been found over wide regions and shown a mechanism for widespread dispersal.
e. been found over wide regions, exhibited evidence of tolerance for climatic extremes and
shown a mechanism for widespread dispersal.
Q. 4 -
Fossil evidence linking the Gondwana continents includes the:a.
lake-dwelling Mesosaurus and large land-dwelling reptile Lystrosaurus and Cynognathus.
b. freshwater Mesosaurus and dinosaurs Brontosaurus and Tyrannosaurus.
c. freshwater crocodiles and the large amphibian Eryops.
d. reptile Dimetrodon and the first bird Archaeopteryx.
e. lake-dwelling Mesosaurus and the large land-dwelling reptiles Dimetrodon and
Edaphosaurus
Q. 5 -
The northern supercontinent consisted of:
a. North America, Europe, Asia, India, and Greenland.
b. North America, Greenland, and Europe.
c. North America, Europe, Asia, and India.
d. North America, Greenland, Asia, and India.
e. North America, Europe, Asia, and Greenland.
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