Which of the following is a good index fossil for recognizing the ordovician period?
a. trilo...
History, 31.01.2020 11:05 shinyelish6
Which of the following is a good index fossil for recognizing the ordovician period?
a. trilobite
b. brachiopod
c. graptolite
d. stromatolite
Answers: 3
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In a story containing the following points, which would likely occur last?
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