The term "lava tube" refers to:
a. the conduit leading from the magma chamber to the vent of a volcano
b. openings in volcanic rocks formed by gas escape
c. valleys through which lava flows move
d. tunnels formed by the flow of lava out from beneath a hardened outer crust
d
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Evidence suggests that the Sun and the rest of the solar system formed about five ________ years ago
A) billion B) million C) thousand D) trillion
Belgium, a nation-state in Europe, houses the Flemish and the Wallons. Belgium is said to be a ________.
A. complex nation-state B. 2 part nation-state C. partial nation-state D. house divided E. binational state
In 2010, the 20% of the world's population living in the lowest income countries had 1% of its wealth
Indicate whether this statement is true or false.
The federal government is responsible for roughly 90% of the cost of building and maintaining the federal interstate highway system
What federal act would be violated if an interstate-widening project were undertaken without any assessment of the potential impact of the project on a nearby sensitive wetland habitat? A) NEPA B) CITES C) Clean Water Act D) ESA