earth layers Flashcards

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1
Q

lithosphere

A

the rigid outer part of the earth, consisting of the crust and upper mantle

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2
Q

Asthenosphere

A

the upper layer of the earth’s mantle

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3
Q

Mesosphere

A

a layer of Earth’s atmosphere

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4
Q

Inner Core

A

a hot, dense ball of mostly iron.

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5
Q

Outer Core

A

mostly composed of liquid iron and nickel

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6
Q

Seismic Wavesan

A

an elastic wave in the earth produced by an earthquake or other means.

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7
Q

it isw cool

A

crazurbfvncv when

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8
Q

Continental Crust

A

s the layer of igneous

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9
Q

Density

A

Density is the substance’s mass per unit of volume

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10
Q

Density

A

Density is the substance’s mass per unit of volume

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11
Q

Continental Drift

A

Continental drift describes one

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12
Q

Seismic Wavesan

A

a layer of Earth’s atmosphere

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13
Q

lithosphere

A

the rigid outer part of the earth, consisting of the crust and upper mantle

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14
Q

Pangaea

A

the continent we now know as North America was contiguous with Africa, South America, and Europe

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15
Q

Laurasia

A

one of the two ancient supercontinents produced by the first split of the even larger

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16
Q

Gondwana

A

Gondwana was a large landmass

17
Q

Laurasia

A

one of the two ancient supercontinents produced by the first split of the even larger supercontinent Pangaea about 200 million years

18
Q

Asthenosphere

A

the upper layer of the earth’s mantle

19
Q

Mesosaurus

A

di aisor