Earth's age is ________ billion years, and life on Earth began about ________ billion years ago.
A) 4.6; 3.5
B) 3.4; 2.5
C) 7; 5.2
D) 12; 3.6
Correct Answer:
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Q1: Which era saw the proliferation of mammals?
A)Holocene
B)Cenozoic
C)Jurassic
D)Mesozoic
Q2: The continent that existed about 200 mya,
Q3: Taphonomy is the study of
A) human cultural
Q4: Crucial to creating a fossil record of
Q5: The study of fossils is called
A) phylogeny.
B)
Q6: The three eras that make up Earth
Q9: A stratigraphic layer in one location overwhelmingly
Q10: Igneous rock can be dated with which
Q11: Most of the early hominin fossils discovered
Q12: The study of what happens to an
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