Everyday Science
NULL
Medium
Question
In the basic three-part model, how many layers does Earth have?
A
1
B
2
C
3
✓ Official correct answer
D
4
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
1
No member explanations yet for this option.
B
2
No member explanations yet for this option.
C
3
No member explanations yet for this option.
D
4
No member explanations yet for this option.
Explanation
School models often list three layers: crust, mantle, core.
Hence the keyed answer is 3.
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