Which of the following is true of a many to many relationship?
A) Each record in the primary key table can have many related records in the foreign key table and each record in the foreign key table can have many related records in the primary key table
B) The relationship cannot be implemented in a DBMS
C) Both A and B
D) None of the above
C
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Political and social instability in the Middle Eastern region can primarily be attributed to:
A) desert conditions and lack of agricultural land. B) cultural differences among nations. C) a wide gap between rich and poor nations due to oil revenues. D) lack of water purification facilities. E) the "Arab Spring."
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Which of the following is an aspect of nonverbal communication?
A. Grammar B. Punctuation C. Speech tone D. Personal space E. Voice modulation
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