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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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Flognog Flognog
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6 years ago
Sills are ____.
 a. composed of extrusive igneous rock
 b. mushroom-shaped flows of basalt
 c. vertical walls of intrusive igneous rock cutting across rock layers
  d. horizontal sheets of intrusive igneous rock between rock layers
  e. the largest type of igneous intrusion
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andreamorenctandreamorenct
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6 years ago
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Flognog Author
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6 years ago
You make an excellent tutor!
mmmm_dat_userna
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Yesterday
Good timing, thanks!
hpascoe
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2 hours ago
Helped a lot
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