Answer:
i believe the answers are sphere, rod, and spiral.
Explanation:
I think that it is softer than a diamond. As we all, a diamond is considered the hardest mineral and cannot be scratched by any kind penny.
Answer:
4. Changing magnetic fields in rock (A)
5. A mid ocean ridge (D)
Answer:
The microscopic structural unit of compact bone is called an osteon, or Haversian system. Each osteon is composed of concentric rings of calcified matrix called lamellae (singular = lamella).
Explanation:
I believe false. It should be