Rose Kessler was nominated by her students for the Who Among American High School Teachers list.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

When a explodes, radioactive material is dispersed. understanding terrorism: select the best answer from the choices provided. a. germ bomb b. dirty bomb c. chemical explosive d. commercial airplane