Low-head hydropower involves ________ dams on ________ rivers.
A. Small; minor
B. Small; major
C. Large; major
D. Large; minor
E. Medium-sized; minor
Answer: A
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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.
What is a common trait between the second stage of demographic transition and the first stage?
A) low total fertility rates B) low population growth C) high total fertility rates D) high population growth E) nothing is shared between the two stages, the second stage is a complete break from the first
What air mass originates over Mexico?
a. mP b. cP c. cT d. mT
What is the amount of space between particles that make sup sediments and rocks?
a. porosity b. recharge c. infiltration d. permeability