Answer to Question 1ANS: C
Convergent plate boundaries are areas where crust is destroyed. The crust plunges back into the
mantle, causing it to melt. These boundaries have volcanoes and earthquakes associated with them.
Information can be found in the section Plates Interact at Plate Boundaries.
Answer to Question 2ANS: C
Alfred Wegener was a German meteorologist. He proposed the theory of continental drift in 1912 by
suggesting that the continents were joined into a single continent at some point. His theory was not
accepted because his explanation for a force behind the movement was discredited by some.
Information can be found in the section Pieces of Earth's Surface Look Like They Once Fit Together
Assessment of characteristic odors
The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
Soil formation "تكوين التربة"
What Drives Plate Motion