Primary forests ________
A) have been compromised because of the introduction of non-native species
B) have grown back from disturbance
C) have been largely unaffected by humans
D) have been cleared but not degraded
E) have only one road
Answer: C
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Which of the following features is NOT present along the Colorado River?
A) Delta B) Entrenched meanders C) Tributaries that start in high mountains D) Evidence for large prehistoric floods E) All of these are present.
Which of the following statements is true?
A. No important international agreement has ever been violated once the international community passed it B. The best thing about sustainable development is that it is carried out without significant investments of technology C. The best thing about sustainable development is that it is carried out without significant investments of money D. Nongovernmental organizations have become significant players in international environmentalism and development E. Public concern about environmental protection is always higher where pollution is most severe
Municipal composting is a modern type of landfill.
Answer the following statement true (T) or false (F)
Fog forms at humidity values less than 100 percent
A) because of a large concentration of condensation nuclei. B) because of a relatively small concentration of condensation nuclei. C) only over ocean areas. D) only over inland swamps and stagnant water areas.