Why are plate boundaries the sites of most geologic activity?
A. Plates interact with one another at their boundaries.
B. Plate boundaries are zones of weak crustal material.
C. Plate boundaries are not sites of most geologic activity.
D. Heat from Earth's core escapes between tectonic plates.
Answer: A
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Which of the following is true of fatty acids?
A) All fatty acids are liquids at room temperature. B) All fatty acids are solids at room temperature. C) All saturated fatty acids are liquids at room temperature. D) All cis-unsaturated fatty acids are liquids at room temperature.
The science that specifically attempts to determine Earth's shape and size by surveys and mathematical means is called
A) geography. B) astronomy. C) geology. D) geodesy. E) cartography.
What are the two elements that give ocean water its “saltiness”?
A. sodium and oxygen B. oxygen and nitrogen C. nitrogen and chlorine D. sodium and nitrogen E. chlorine and sodium
What is the first phase in the formation of a cavern?
A. speleothem formation B. carbonation C. oxidation D. excavation E. stalactite formation