A horizontal conduit that allows lava to flow from a volcanic vent is called a ________
A) sill
B) dike
C) pillow lava
D) lava tube
Answer: D
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Ancient current directions can be determined by:
a. wave-formed ripple marks. b. cross-bedding. c. graded bedding. d. mud cracks. e. all of the above
In what ways are slope-stability maps useful to planners and developers? What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. A top-down approach to solving environmental problems can help facilitate bottom-up approaches by building infrastructure to support virtual environmentalism. 2. Dialogic democracy suggests that the power of individuals at the “top” is independent of the power held by those at the “bottom”. 3. Participatory development helps ensure that the local community is supportive of and invested in projects that link top-down and bottom-up approaches to environmental challenges. 4. Environmental movement should be strictly bottom-up because top- down policies rarely do any good to the environment.
Balkanization refers to
A) the creation of nation-states in southeastern Europe. B) the breakdown of a state due to conflicts among ethnicities. C) a small geographic area that cannot successfully be organized into states. D) ethnic cleansing. E) religions splintering into opposing groups.