Physical Science 2 Final P4

Unit 9 Chapte r 21

12 cards   |   Total Attempts: 182
  

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Front Back
The breakup of Pangaea began in the Mesozoic era
During the Triassic era
The breakup of Pangaea resulted in
A worldwide rise in sea level
The first reptiles occurred during the
Carboniferous era
Coal is composed of
Buried plant material that has partially decayed
The numerical dates associated with events on the geologic time scale were determined by
Radiometric dating
During the Carboniferous period warm climatic conditions favored the development of lush vegetation and swampy forests. Today, rocks of this age are significant because they
Have large deposits of coal and oil
Uplift of the Rocky Mountains was a result of
Compressional forces
The ultimate truth of any radiometric date depends on the
Precision and accuracy of lab techniques
During the Cretaceous period, the Earth experienced a worldwide rise in sea level caused by
The thermal expansion of the crustal surface and the breakup of Pangaea
During the Pleistocene ice age
There were several episodes of glacial advance and retreat
The scientific principle that assumes that the different forms of animals throughout the Earth's past occurred in a definite order is called the principle of
Faunal succession
Possible ways that sea level could lower include
A decrease in the rate of seafloor spreading and a decrease in worldwide temperatures.