Multiple Choice
The newest clam shell is built
A) on the outside so the periostracum is the newest material.
B) on the inside so the inside nacreous layer is the newest.
C) both directions outward from the central prismatic layer.
D) all at once;all layers of shell are the same age.
E) None of the choices is correct
Correct Answer:
Verified
Correct Answer:
Verified
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