[1] According to archeologists and anthropologists, the earliest clothing probably 1 consisted of fur, leather, leaves or grass, draped,
wrapped or tied about the body for protection from the elements. Knowledge of such clothing remains inferential, since clothing
materials deteriorate quickly compared to stone, bone, shell and metal artifacts. Archeologists have identified very early sewing
needles of bone and ivory from about 30,000 BC, found near Kostenki, Russia, in 1988.
(http://en.wikipedia.org/wiki/clothing)
Which expression can replace the word ”since” (line 2) in the text without changing the meaning of the sentence?
