Relatively stable, immobile parts of continents that form the foundation on which Phanerozoic sediments were
deposited are ____.
a. cratons
b. mobile belts
c. orogens
d. clastic wedges
e. back-arc basins
a
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The shaded areas in the above map best represent
A) functional regions. B) mega-regions. C) spatial diffusion. D) regionalization. E) irredentism.
The advantage of effluent sewerage is that
A. Since solids are digested like a septic system, the effluent can be used as fertilizer B. Families can do all their processing at home C. Since solids remain in the liquid, disposal is easy and cheap D. Large, expensive municipal systems are no longer needed E. Since solids are removed, pipes and pumps to the central treatment plant can be small and cheap
A natural fountain that intermittently ejects hot water and steam into the air is a(n):
a. hot spring. b. volcano. c. hydrothermal vent. d. geyser. e. aquiclude.
Standing freshwater is called a lotic system.
Answer the following statement true (T) or false (F)