Imagine you are one of the bystanders in picture 1 below. As you watch the red bus drive by, explain what you are using as a reference point to determine its motion
past you.
Can some write something out please help I offer it 30 points

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))

Catalysts and intermediateshope i

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.