What happened at the end of the mesozoic era but did not happen at the end of the paleozoic era?

In the mid-1960s scientists created the two person gemini spacecraft that achieved many things in space. this new three person spacecraft took americans to the moon in july of 1969. a. discovery c. explorer b. columbia d. apollo

What mountain range is located near 60*n and 60*e

Which statement in the passage best reflects sumer's opinion of the dred scott decision? a."i speak what cannot be denied." b."[the] judgment was sustained by a falsification of history." b."the opinion was more thoroughly abominable than anything history." i speak what cannot be denied when i declare that the opinion of the chief justice in the case of dred scott was more thoroughly abominable than anything of the kind in the history of courts. judicial baseness reached its lowest point on that occasion. you have not forgotten that terrible decision where a most unrighteous judgment was sustained by a falsification of history. -charles sumner, 1865