What is coal?
A) the remnants of fires created by ancient humans
B) highly compacted marine sediments
C) the remains of ancient buried plants
D) dinosaur bones that have been exposed to pressure
Correct Answer:
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Q2: Which of the following allowed scientists to
Q3: Which of the following statements about countershading
Q4: Which of the following incorrectly matches the
Q5: The oldest fossils may be
A) fossilized bacterial
Q6: Which of the following might be a
Q7: The rise of the cyanobacteria lineage 2.6
Q8: What did carbon-14 dating reveal about Neanderthals
Q9: Darwin believed that Earth was
A) a few
Q10: How do medical technologies help elucidate the
Q11: Why was Lord Kelvin's calculation of Earth's
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