chapter 9- 8th grade

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1 point

Of the following, the activity most likely to occur at transform faults is:

volcano

earthquake

mountain range

1 point

The sinking of one lithospheric plate under another lithospheric plate is known as:

divergent

subduction

transform

1 point

The sinking of one lithospheric plate under another lithospheric plate is known as:

subduction

transform

divergence

1 point

Oceanic crust consists mainly of:

Quartz

basalt

diamond

1 point

One of the main pieces of evidence for sea-floor spreading is:

magnetic patterns.

fossils

earthquakes

1 point

The outermost layer of Earth is called the:

lithosphere

mantle

core

1 point

Rising magma in the mantle may divide the lithosphere above and form a:

mountain range.

mid-ocean ridge.

subduction zone.

1 point

The name given to the ancient supercontinent composed of earlier forms of today’s continents is:

Gondwanaland

Pangea

Laurasia

1 point

The primary cause of convection currents in Earth’s mantle is believed to be the:

rotation of Earth.

sinking of the crust.

differences in the densities of Earth’s materials.

10.

1 point

Of the following, the metamorphic rock indicating the previous existence of a mountain range is :

slate

gneiss

shale

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