The shadow zone exists because ?
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A. seismic waves cannot travel through solid rock.
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B. sunlight blocks out P waves in certain regions.
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C. P waves refract as they travel through Earth.
D. the mantle and core are composed of the same material.

Which land forms are mountain ranges in texas? chianti piney woods tule davis chisos palo dule glass cyprus

What season is it in the southern hemisphere when it’s december? a) fall b) spring c) winter d) summer

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.