One piece of evidence of eartth evidence of earths revolution around the sun is?

a. the coriolid effect

b. foucaults pedulum

c. the varying positions of a constellation over a period of hours

d. the varying positions of a constellation over a period of weeks

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