1. how does fossil evidence indicating that bears survived the last ice age contribute to ideas about human migration in north america?
2. do you think it is possible that if bears could have survived the ice age, humans could too? explain your answer.
3. scientists sometimes need to revise theory in light of new evidence. explain how the discovery of 12,000-year-old tools in south america caused scientists to rethink their explanation of human migration to the americas.

In 2016, two-year-old lane graves was wading in the lagoon of an orlando walt disney world resort and watching a family outdoor movie, when an alligator snatched the boy and disappeared. the resort had signs which read "no swimming, deep drop off" posted along the beach area where lane was taken, and his parents were a few feet away when the incident occurred. several hours later, lane's body was discovered about 15 yards from where he was taken by the gator. a disney employee said this was not the first time an alligator had been spotted in the lagoon beach area. if the graves family files a lawsuit against the resort, what theory would best support their claim?

What percentage of roads in germany have no speed limit?

Which common characteristic of renaissance buildings does this image show