Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.
Explanation:
I think the answer is B . . . .
C because a lesion is high density
Answer:
This value is 4*(pi)* (2Gm/c^2)^2 for nonspinning black holes, with G= Newton's constant, c= speed of light, and m= mass of the black hole. The 3-dimensional spatial volume inside a black hole, in contrast, depends explicitly on the definition of time, and can even be time dependent, or zero.
Explanation:
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