What is the main reason for the stratification in the north polar waters?
A) Temperature
B) Salinity
C) Depth
D) Pressure
B
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Diffraction of light in the shadows of a razor blade is more pronounced for relatively
A. shorter wavelengths. B. shorter or longer wavelengths. C. longer wavelengths. D. none of the above
How are matter and mass related?
A. Mass is a component of matter. B. Matter is a component of mass. C. Mass takes up space, while matter does not take up space. D. Neither matter nor mass take up space. E. Both matter and mass take up space.
Which terms best describe East Asia's two climate zones?
a) Mediterranean west and desert east b) dry interior west and wet (monsoon) east c) wet (monsoon) west and desert east d) temperate west and tropical east
Which are important ways that magma can raise through the crust?
A. through fractures that can form dikes B. tectonic forces can help open pathways C. pieces of the wall rocks that break off and provide space D. magma is hotter and less dense than its surrounding E. All of these choices are correct.