Fossils of prokaryotic cells are dated as far back as approximately ________ billion years ago.
A) 1.5
B) 2.8
C) 3.8
D) 4.8
Correct Answer:
Verified
Q25: The formation of simple organic monomers,such as
Q26: Which event and date is mismatched?
A)origin of
Q27: The scientific study of fossils and what
Q28: Miller and Urey's experiment provided support for
Q29: Fossils used to define and identify geologic
Q31: The Carboniferous Period is extremely significant to
Q32: Dinosaurs were the dominant group during the
Q33: Fossils from the Paleozoic are plentiful because
A)mammals
Q34: The oxygen in the atmosphere developed approximately
Q35: The first eukaryotic cells probably arose about
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