Radioactive Machines
Radioactive decay
Atom diffuser
Rock age limit process.
True
False
2
1
4
3
True
False
Palezoic
Mesozoic
Precambrian
Cenozoic
Mold
Cast
Carbon film
Era
Half-life
Relative ge
Absolute age
True
False
Preserved remains.
Petrified remains
Rock solid fossil
Trace fossil.
True
False
True
False
True
False
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