Which of the following correctly describes the relationship between butane and 2-methylpropane?
A) They have the same molecular formula.
B) They have the same chemical properties.
C) They have the same physical properties.
D) All of the above are true.
A
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What factor allowed syncretic religions to endure in Latin America?
A) The people of Latin America fought for their religious freedom. B) The Catholic Church tolerated local variations in worship as long as conversion was underway. C) Government laws guaranteed freedom of religion. D) Historically, the expanse of Latin America made enforcing any orthodox religion difficult. E) The Catholic Church sent very few missionaries, so the religious instruction was minimal.
The Khmer language and ethnic group is most associated with which nation on the mainland of Southeast Asia?
A) Laos B) Cambodia C) Thailand D) Vietnam E) Burma (Myanmar)
What large California city, located near the coast and surrounded by mountain ranges, is plagued by smog?
A) San Francisco B) Sacramento C) Los Angeles D) San Diego
In the scientific method, a ________ is an educated guess, while a _____ has been rigorously tested and confirmed.
A. theory; hypothesis B. hypothesis; theory