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Internal Structure of Earth
The division of cores of the Earth includes
inner core
tectonic core
outer core
both a and c
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Internal Structure of Earth
The thickness of crust under the continents is:
85 km
40 km
65 km
72 km
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rikazzz
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Internal Structure of Earth
The plates that are made up of the older rocks are classified as:
continental plate
contraction plate
convection plate
oceanic plate
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Internal Structure of Earth
The temperature at the core can be as high as:
2,550°C
2,300°C
3,700°C
3,300°C
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Internal Structure of Earth
The thickness of the mantle is about
3,900 km
3,000 km
2,900 km
2,400 km
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Internal Structure of Earth
The inner core of the Earth is made up of:
copper
iron
nickel-iron alloy
platinum
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Internal Structure of Earth
The middle layer of Earth is:
crust
mantle
core
ridge
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Internal Structure of Earth
The minimum thickness of crust under the oceans is:
8 km
2 km
5 km
10 km
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Internal Structure of Earth
The currents that are formed in the mantle of the Earth are classified as:
convection currents
continental currents
oceanic currents
drift currents
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rikazzz
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Internal Structure of Earth
The range of thickness of crust is:
5 to 60 km
10 to 50 km
15 to 40 km
8 to 38 km
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