Answer:
B. lined up perpendicular to the long axis of the bone, in the direction of perforating canals.
Explanation:
Osteons are formations of concentric bone layers (lamellae) that tend to <em>run parallel to the long axis of a bone.</em> They sorround the Haversian canal, a canal that contains blood vessels that supply the osteocytes and are the structural unit of compact bone.
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Answer:
To convert Metamorphic into sedimentary rocks is high heat and pressure.
When Rutherford performed his metal foil experiment, he was surprised that most of the alpha particles passed straight through the foil.
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