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A fossil is the remains or evidence of an organism
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
Radiometric dating is determining absolute age of rock or fossil by ratio of parent to ratio of daughter
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
Catatrophism means
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
Comparing rock layers to determine age is called
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
Paleontology is
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
Petrification occurs when pore space or tissue space fills with _______ and _________
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
____________ is time it takes for 1/2 of radioactive sample to decay
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
In a geologic column...
True
Relative dating
the study of past life and fossils
True
geological changes occur suddenly
half life
minerals; hardens
oldest rock layers are at the bottom
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