What process involves the radiation of internal heat to the ...

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What process involves the radiation of internal heat to the surface?
  a. Convection
  b. Conduction
  c. Radioactive decay
  d. Combustion

Question 2

Paleomagnetic data has been used to:
  a. measure spreading rates.
  b. calibrate the geological time scale.
  c. reconstruct continents
  d. All of these choices has been determined by paleomagnetic data.

[CAPTAINAMERICA]

Answer to Question 1

ANS: B
Conduction is the process in which internal heat radiates to the surface. It is thought that this is how
some of Earth's internal heat is brought to the surface. Information can be found in the section Earth's
Inner Structure Was Gradually Revealed.

Answer to Question 2

ANS: D
The study of paleomagnetism has been a productive specialized sector of geology. This field has
observed the rates at which plates spread, and has determined the calibration of the geological time
scale, and the reconstruction of the continents. Information can be found in the section The
Confirmation of Plate Tectonics

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[cici]

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