Answer to Question 1ANS: C
Magnetite is in the mantle. When new crust is formed, the magnetite is in that crust. As it cools, it
points in the direction of the current magnetic field of the Earth. This allowed scientists to determine
the direction of magnetic fields throughout history. Information can be found in the section The
Confirmation of Plate Tectonics
Answer to Question 2ANS: C
The asthenosphere remains pliable due to the internal heat of the Earth. This heat is thought to travel
through the Earth's interior via conduction. The lithosphere is able to remain in motion because of that
pliability. Information can be found in the section A New Understanding of Earth Evolved Slowly.
The gender roles that we learn during childhood become part of our basic orientations to life. ...
Which do you think is most at work in a debate contest, mastery- or performance-goal orientations or ...
Earth emits radiation back out to space from all surfaces, both day and night
Wavelengths that penetrate the earth's atmosphere
Planet Earth compared to all its water and air!
Scientists do research in the laboratory and in the field