The largest mass extinction in earths history occurred at the end of which era

What were the social, economic, and political characteristics of spanish and portuguese rule in latin america?

Consider the events in alfred wegener's life that led to his development of the continental drift hypothesis. review the items below and determine whether each item is (1) an observation that led alfred wegener to develop his continental drift hypothesis, or (2) evidence wegener gathered to support his proposal.

How did hobbes’s views differ from locke’s