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The theory that explains how large pieces of the lithosphere, called plates, move and change shape is called ___________________.
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
16. What is the difference between normal polarity and reversed polarity?
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
The layer of plastic rock that underlies the tectonic plates is called _________________.
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
Long, undersea mountain chain is called ___________________
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
The study of the alignment of magnetic minerals in oceanic crust is called _______________.
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
The asthenosphere is located in which layer?
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
Which of the following statements is true.
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
The movement of heated material due to differences in density that are caused by differences in temperatures is called ________________________
tectonic plate theory
normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
convection
lower mantle
asthenosphere
mid-ocean ridge
paleomagnetism
Hot liquid or air is less dense and rises.
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