How long did the process of density stratification of Earth last?
A) 100 million years
B) 100 thousand years
C) 10 billion years
D) 1 billion years
A
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Approximately 4 percent of the land in the U.S. is used for urban centers and transportation.
Answer the following statement true (T) or false (F)
What assumption did Thomas Malthus make regarding fertility?
A) It is biologically inevitable. B) Christians reproduce less frequently than members of other religions. C) Governments could control human fertility. D) Medical science would eventually curb it. E) Rural populations would increase faster than urban populations.
The term biodiversity encompasses not only the number and variety of different species, but also genetic variations within a species and even the varieties of ecosystems, habitats, and communities in an area
Indicate whether the statement is true or false
Which nation has a well-developed IT sector and has become a global center for high-tech computer and telecommunications products?
A) Kuwait B) Saudi Arabia C) Lebanon D) United Arab Emirates E) Israel