Which statement accurately describes a half-life? A rock’s size is determined by half-life. All stable and unstable elements have a half-life. An atom of an element becomes half its original size in a half-life. A half-life is the time required for half of a radioactive element to decay. PWEEZ HALP

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

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.