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Which part of Earth's interior is believed to consist mostly of iron and nickel?

A. inner core
B. outer core
C. mantle
D. crust

2 Answers

3 votes
B. outer core

The outer core is molten liquid and is 2000 km thick. It is made of iron and nickel and it causes Earth's magnetic feilds.
User Mturquette
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4 votes
inner core

crust is the ground
mantle is the second layer
out core is the third layer
inner core is the central
User Flordeliza
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