I think the raw materials is sunlight,water, and dirt.
There are exactly 5,108 years beteen 3200 B.C.E. (Before current era) and 1903 C.E (Current Era). This is because if we take into consideration that BCE time takes place before year 0 and CE time takes place after; we must calculate the ammount of time it takes to get to year 0 then to the CE time.
Leif Ericsson was an explorer from Europe, to be said that he was the first European to land in North America.
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