The ____________________ are tooth-like calcium phosphatic fossils that are excellent index fossils for the
Ordovician. Fill in the blank(s) with the appropriate word(s).
conodonts
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The country that was founded by former slaves from the United States is
A. Liberia B. The Gambia C. Ghana D. Angola
An active galactic nucleus
A) is a place of intense star formation. B) arises from the gigantic black hole at the center of a galaxy. C) is a supermassive supergiant star that resides at the center of larger galaxies. D) is a giant dust cloud at the center of a galaxy.
How fast do wave trains travel in relation to individual waves in that train?
A) One-third as fast B) One-fourth as fast C) One-half as fast D) Twice as fast
Which statement best captures the conflicts between folk and popular culture?
A) Folk culture is threatened by popular culture more than the reverse. B) Popular culture is threatened by folk culture more than the reverse. C) Folk and popular culture represent equal threats to one another. D) Folk traditions may produce more uniform landscapes. E) Globalization promotes diverse food preferences.