Match column A with column B and write the letter of the correct answer.

A.
__1. outermost and thinnest layer
__2. thick and composed silicate minerals
__3. the hottest past of our planet
__4. composed mostly of iron and nickel
__5. the soft, weak upper portion of the mantle
__6. the rigid outer part of the earth consisting of the crust and upper mantle
__7. recorded in seismographs
__8. travel faster than S waves
__9. travel through the surface of the earth
__10. travel through the earth's inner

B.
a. P waves
b. body waves
c. lithosphere
d. inner core
e. mantle
f. surface waves
g. outer core
h. crust
i. asthenosphere
j. seismic waves​