The theory that all living organisms are descendants of different life forms that existed in the past is called:
A) organic evolution.
B) astrology.
C) paleontology.
D) plate tectonics.
E) natural selection.
Answer: A) organic evolution.
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Which of the following locations is considered a region where cyclogenesis often occurs?
A. Atlantic Ocean near Halifax, Nova Scotia B. eastern slopes of the Appalachian mountains C. California D. Gulf of Mexico
Which of these statements is FALSE concerning estuaries??
A) ?Larvae are often abundant there. B) ?Estuaries are in danger of development and pollution. C) ?Very few autotrophs live in estuaries, but many animals can be found there. D) ?Estuaries are places where saltwater and fresh water meet.
In urban areas,
A) changes in surface type modifies the energy balance. B) changes in surface type negates the energy balance. C) changes in surface type generally causes daytime cooling. D) changes in surface type have little effect on meteorological conditions.
Approximately how many Southeast Asian women are employed in the "Maid Trade" in Hong Kong?
A) 500,000 B) 300,000 C) 250,000 D) 175,000 E) 75,000