Which of the following can be considered fossils?
a. a 1 billion year-old rock.
b. a 1...
Biology, 19.08.2019 01:30 rachelkim999
Which of the following can be considered fossils?
a. a 1 billion year-old rock.
b. a 1 billion year-old piece of amber.
c. a 1 billion year-old piece of amber with a primitive insect inside.
d. all of the above
Answers: 1
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