(02.03 LC) How has the discovery of 5,300-year-old Ötzi, the Iceman, helped scientists in their knowledge? (4 points)
Ötzi, the Iceman, was as old as previously thought.
Ötzi, the Iceman, existed at a time when the climate was warm.
Precise knowledge about his food and clothing is available.
Humans from that period are exactly same as modern humans.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point