Which of the following is the best example of synergistic effects?
A. The appearance of PCBs in residents of remote Arctic villages
B. Cancer caused by fibrosis in the lungs
C. The prevalence of cancer among smokers exposed to asbestos fibers
D. The disappearance of plant life around Sudbury, Ontario
E. Chlorosis in plant leaves
Answer: C
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Oil and natural gas in SE Asia is most likely to be found
A. Along the Wallace Line B. In tropical zones with abundant vegetation C. In areas that experience frequent earthquakes D. In the region's coastal seas and gulfs
The lithosphere lies above the aesthenosphere
Indicate whether the statement is true or false
Which of the following revicers int he region of Sub-Saharan Africa is considered to be an "exotic river"?
A. the Niger River B. the Congo River C. the Zambezi River D. the Volta River
A precipitation type extremely characteristic of lower latitudes is ________
A) a rain shadow B) sleet C) ice crystals D) convergent lifting E) frontal lifting