Biology, 27.09.2019 20:30 proxydayz

1. the himalayan mountains formed as a result of which of the following?

oceanic crust collided with oceanic crust.

continental crust collided with oceanic crust.

continental crust collided with continental crust.

magma erupted and cooled.

2.what do scientists think is the dominate force that drives plate movements?

convection cells within the outer core

slab pull from subducted plates

convection cells within the asthenosphere

slab push from seafloor spreading

3.which supercontinent is thought to have formed about 1 billion years ago and to have included most of earth’s land masses?

gondwana

laurasia

pangaea

rodinia

4.what was pangaea?

a supercontinent about 250 million years ago

one of the large continents from rodinia

a piece of laurasia

a supercontinent about 1 billion years ago

5.what are the components of the plate tectonic theory? check all that apply.

subduction

land bridges

seafloor spreading

earth’s rotation

6.which plate boundary occurs as oceanic crust collides with continental crust?

convergent plate boundaries

divergent plate boundaries

transform plate boundaries

transient plate boundaries

7.what did the discovery of subduction do for the theory of plate tectonics?

it explained how the continents move.

it provided the mechanism for seafloor spreading.

it explained how the continents move without the earth getting bigger.

it explained how several supercontinents formed and broke up over time.

8.what was harry hess’s contribution to the plate tectonic theory?

seafloor spreading

continental drift

subduction

magnetic reversals in the oceans

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1. the himalayan mountains formed as a result of which of the following?

oceanic crust...

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