Which one of the following is NOT a fossil?

a) an insect trapped in amber 20 million years ago
b) a frozen mammoth preserved in a glacier in Siberia that died in the last ice age 1 million years ago
c) dinosaur footprints in a sandstone layer
d) an Egyptian death mask dating back to 4000 years
e) all of the above are fossils by definition


Answer: d) an Egyptian death mask dating back to 4000 years

Environmental & Atmospheric Sciences

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