The collapsed top of the volcano that is formed when the volcano erupts is the
-crater
-magma chamber
-main vent
-secondary vent

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.