Answer Happy

GLS100 Dynamic
Earth
Use the lettered cross-section on the
following page to answer the questions below:
1. How many plates are shown on the cross-section:
2. How many plate boundaries are shown on the
cross-sections:
3. How many subduction zones are shown on the
cross-sections:
4. How many sites of sea-floor spreading are shown on
the cross-section:
5. Which lettered location(s) best identify(ies) each
of the following:
a. deep-sea trench

b. mid-ocean ridge
letter(s):
b. lithosphere

c.
asthenosphere letter(s):
d. volcanic island
arc
e. oceanic crust letter(s):
f. continental crust
letter(s): g.
plutons
h.
zone of partial melting

i. Moho Discontinuity
j. volcanoes


k. accretionary wedge
l. region of tensional stresses
m.
region of compressional stresses
A slice through the upper few hundred kilometers of the earth's interior (or what we call a CROSS-SECTION) illustrating plate boundaries B Predictions: On La AA Accessibility: Investigate