A student is attempting to draw several resonance structures for a species. Which of the following is allowed?
A) Change the connectivities of the nuclei.
B) Move electrons from one location to another.
C) both a and b
D) neither a nor b
B
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What travel though wire at nearly the speed of light is
A. free electrons. B. an electric signal. C. both of these D. none of the above
True or False: Mantle convection occurs because upward-moving rock expands more by decompression than it contracts by cooling
Indicate whether this statement is true or false.
Which of the following statements best describes the tectonic setting for Mount St. Helens and the other Cascade volcanoes?
A) A chain of young, active volcanoes built on a continental margin above a sinking slab of oceanic lithosphere B) A chain of old, inactive volcanoes built while western North America moved over a mantle plume C) Old, deeply eroded volcanoes built before the Pacific Ocean existed D) Young, deeply eroded, basaltic volcanoes built when western North America was over the present-day site of the Hawaiian hot spot
The flight of technology and other jobs from countries with high manufacturing and service costs to countries with low manufacturing and service costs is called __________
Fill in the blank(s) with correct word