Answer:
Excision category (20150-20251) codes are for the biopsies of muscle and bone. The codes are divided based on the type of biopsy (muscle, bone), the depth of the biopsy (superficial, deep), and, in some codes, the method of obtaining the biopsy (e.g., percutaneous needle).
Explanation:
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New Moon. This is because the light from the sun is being pointed at the other side of the moon ( the side we can not see ).
They are mostly habittated to watter because they requres oxygen more from water or there organ setup to do it works properly under water.