1.a.)which boundary is referred to as the mohorovicic discontinuity (or moho):
crust - upper mantle
none of the above
lithosphere - asthenosphere
outer core - inner core
upper mantle - lower mantle
b.)which rate of lithosphere movement is most possible:
5 cm/yr
5,000 cm/yr
50 cm/yr
500 cm/yr
c.)which type of plate tectonic boundary forms the mid-ocean ridge?
ocean-ocean divergent boundary
continental-continental convergent boundary
hot spot