Class VII

Outermost layer of Earth is
  1. asthenosphere
  2. crust
  3. trench
  4. ridge
Division of cores of Earth includes
  1. inner core
  2. tectonic core
  3. outer core
  4. both a and c
Inner core of Earth is made up of
  1. copper
  2. iron
  3. nickel-iron alloy
  4. platinum
Minimum thickness of crust under oceans is
  1. 8 km
  2. 2 km
  3. 5 km
  4. 10 km
Theory which states that plates of earth are continuously moving is classified as
  1. The Trench Drift Theory
  2. The Sphere Drift Theory
  3. The Continental Drift Theory
  4. The Oceanic Drift Theory
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