It's either the ophthalmic, maxillary, or the mandibular.
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Answer:
Explanation:
biology of your talking about life evolution but all if your talking about mankind evolution and technology
B, hormones that serve as chemical messengers im not 100% sure though
<span>Desertification is the cancer of the earth,” Argentine geographer Elena Abraham told IPS. “It is a process of degradation that does not manifest itself in spectacular ways but furtively advances, and by the time it is visible there is nothing to be done, and people have to move away, in search of an alternative.”</span>