Ascientist finds fossae on a bone sample. what can the scientist conclude?

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

This is the process of making a prediction based on the results of prior observations of similar events.

The combining form leuk/o means red true or false