The age of the wood would be 17,151 year's old.
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I’d go with c)
This is kind of controversial currently because there are different defintations of language but poplular opinion is tools first. Think apes are using rocks to open shells or something before they really communicate.
Size of brain definitely increased tho
<span>By reducing exposure to pathogens and the creation of specific macrophages </span>
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The spongy bone found within a flat bone is called _________. Bone marrow