Which layer of the Earth has the lowest density?
A. The layer that is oldest.
B. The layer that is thickest.
C. The layer closest to the center.
D. The layer farthest from the center.
Which layer of the Earth has the lowest density?
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Which layer of the Earth has the lowest density?
A. The layer that is oldest.
B. The layer that is thickest.
C. The layer closest to the center.
D. The layer farthest from the center.
The correct answer is D. The layer farthest from the center.
Explanation: The layer of the Earth that is farthest from the center is the crust. The crust is composed mainly of lighter materials, such as silicates, which results in a lower density compared to the mantle and core, which are denser and composed of heavier materials.