What type of rock likely composes the landscape shown in this photograph from the Investigation?
A. volcanic rocks, probably basalt
B. metamorphic rocks
C. granite
D. sedimentary rocks
Answer: A
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Mesozoic? a. Iridium is not always found at the boundary between Cretaceous and Paleogene rocks. b. Meteorite impacts cause local extinctions, not global extinctions. c. The meteorite hit at the end of the Jurassic, while extinctions occurred throughout the Cretaceous. d. The location of an impact crater has not been discovered, and likely never will be. e. Terrestrial and marine extinctions have not been shown to occur at the same time.
What is the most likely origin of Baffin Bay? What is the evidence for this?
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Compare and contrast the three phyla of worms. Which is considered to be the most evolutionarily advanced?