How do sedimentary rocks form?

  when existing rock is altered
  when sediment deposits are composed or cemented together and harden.
  when sediment cools and hardens
  by compaction and cementation of rock fragments

Which type of volcano has a gentle flow?

  shield
  cinder cone
  composite
  stratosphere

Where would you find the epicenter of an earthquake?

  the point on the surface directly above the focus
  the point on the surface directly below the focus
  by measuring seismic speeds
  triangulation point

What type of plate boundary is a rift valley?

  transform
  convergent
  divergent
  transform fault

What type of plate boundary is San Andreas fault?

  divergent
  convergent
  transform fault
  transform

What causes plate movement?

  convection
  earthquakes
  plate tectonics
  pangea

What is the theory that earths crust and upper mantle broke into sections?

  pangea
  plate tectonics
  continental drift
  all of the above

Where do deep-ocean trenches form?

  mid-ocean valley
  subduction zones
  at convergent boundaries like marianes
  none of the above

The convergence of two continental plates would produce?

  plate boundary
  plate tectonics
  divergent boundary
  convergent boundary