Darwin calculated that if reproduction was not limited, a single pair of elephants would leave roughly descendants after 750 years.

19 million

Explanation:

The figure may vary from different books, but the most cited number is 19 million. The growth of Darwin’s elephant population can be modeled by the Leslie matrix method.  

cultural achievements of the 1920's 2010  

1. cultural achievements and african american achievements in the 1920’s  

2. art and literature charles lindberg flew from ny to paris, france. became national hero; first transatlantic flight.  

3. greenwich village (new york) and the south side (chicago)  many artists, writers, and intellectuals flocked to these areas to share ideas  people lead bohemian, or artistic and unconventional, lifestyles