While many animals use the magnetic field to navigate, scientists suspect that Loggerhead turtles use it in more detail than most animals. What are the two parts of the magnetic field that the turtles use?
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The turtles detect both the intensity and
the inclinations--the angles the field
lines make in respect to the surface of
the earth. Each point on the earth has
a unique combination of intensity and
inclination, similar to the longitude
and latitude grid that humans have
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