What caused Russia to move backwards in the demographic transition?
a. death rates increased and birth rates increased
b. birth rates decreased and death rates decreased
c. death rates rose and birth rates decreased
d. death rates decreased and birth rates increased
e. birth rates decreased and immigration decreased
c
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Which modern day animal has ancestors represented in the Ediacaran fauna?
a. frogs b. jellyfish c. trilobites d. snakes e. corals
One of the major goals of the Comprehensive Everglades Restoration Plan (CERP) is to
A) pump excess water out of the Everglades system into the Atlantic. B) drain Lake Okeechobee to increase the amount of water in the Everglades wetlands. C) redirect water southward to provide water for cities and farms and restore some of the drained wetlands. D) expand the agricultural region from 550,000 to 900,000 acres.
Although the jigsaw-puzzle fit of the southern continents was noted, opponents of continental drift argued that, even if continental displacement had occurred,
a good fit between the continents today would be unlikely. What geologic evidence did they cite to support this claim? A) Deposition in river deltas had changed the longshore current, resulting in erosion. B) The tensional stress of splitting sheared the continents beyond all repair. C) Wave erosion and coastal deposition have changed the shape of the continents. D) Fissure eruptions along continental margins had created new land.
Which of the following has the highest quality energy?
A. A warm brick B. Hot air C. An intense fire D. A flowing stream E. A rock rolling downhill