Your answer What is system used to solve problems with a data base of layered information.
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During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d

What gigantic island is primarily in the arctic circle?