"Which achievement improved the standard of living in the late 1800s?" the reintroduction of the Olympic Games the establishment of Darwin’s theory of natural selection the publication of dime novels and penny dreadfuls the discovery of the link between germs and disease

Which achievement improved the standard of living in the late 1800s?

A. the establishment of Darwin’s theory of natural selection

B. the publication of dime novels and penny dreadfuls

C. the discovery of the link between germs and disease

D. the reintroduction of the Olympic Games

HERE YOU GO DEAREST EMERSON!

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.