The most abundant element in Earth's core is ___________.
A) nitrogen
B) oxygen
C) hydrogen
D) iron
Correct Answer:
Verified
Q11: What is olivine?
A) silicate rock that makes
Q12: The Moon has an average density of
Q13: What are the most common elements composing
Q14: The outer core of Earth extends out
Q15: From the center outward, the correct order
Q17: After an earthquake, an S-type seismic wave
Q18: The interior layer just below the crust
Q19: The hotter inner core of Earth is
Q20: Why is Earth's inner core solid?
A) due
Q21: The _-type seismic waves can travel through
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