What creates earth's largest physical features
a) asteroids that impact earth's crust
b) earthquakes and volcanic eruptions
c) the slow movement of earth's plates
d) wind and water erosion

and don't say continental drift because that's not an option

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Which of these is the sound of fish slapping against human flesh?