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Contact [7]
3 years ago
9

Fill in the blank.

Geography
2 answers:
storchak [24]3 years ago
4 0

silica

caldera

viscous

denser

subduction

divergence

hot spots

earthquakes

Explosions from composite volcanoes occur as a result of gas buildup within them. Shield volcanoes also may erupt explosively if water accumulates inside their vents.

matrenka [14]3 years ago
4 0

Answer:

  1. lava with a higher content of <em>silica</em><em> </em>has higher viscosity
  2. The volcano can collapse and form a <em>caldera</em>
  3. shield volcanoes can form when less <em>viscous</em> lava flows quickly away from a vent
  4. During an oceanic plate convergence, the <em>denser</em> plate will sink
  5. The west coast of the united state has features formed by <em>subduction</em>
  6. During the <em>divergence </em>of two tectonic plates, magma wills the space between two tectonic plates
  7. The only volcanic activity that is not formed at tectonic plate boundaries is <em>hot spots</em><em> </em>and volcanoes are linked severe weather events

    The response to all these is earthquakes

9. An explosive eruption is a very violent type of volcanic eruption and can be caused when enough gas has dissolved under pressure in a viscous magma in a way that when the lava is expelled it froths into volcanic ash when pressure is low at its vent

Explanation:

An explosive eruption is a very violent type of volcanic eruption and can be caused when enough gas has dissolved under pressure in a viscous magma in a way that when the lava is expelled it froths into volcanic ash when pressure is low at its vent

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