Werner invited his students to see a particular rock type in France, whereby their viewpoint about the formation of all rocks changed. Why was this so?
A) They saw lava flows that clearly had not issued from the volcanoes and were composed of a rock called basalt; Werner believed that basalt was volcanic.
B) They saw lava flows that clearly had issued from the volcanoes and were composed of a rock called basalt; Werner didn't believe that basalt was volcanic.
C) They saw sandstone that contradicted their Neptunist beliefs.
D) They saw metamorphic rocks that contradicted their Neptunist beliefs.
Answer: B
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