Do you think that San Francisco will be able to accommodate the large-scale in-migration of high-tech workers and entrepreneurs whilst retaining its character and identity?

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

Explore the ways that boundaries influence identity, interaction and exchange. things to consider: what is the race/ethnicity. how easy is it to interact/trade with others.

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?