...explanations replacing older ones.? I need some help with this please if it relates to biology, space, or any type of science that's ok too, but chemistry is preferred. If you do have an example, please include a sentence or two about it. I know there are so many out there, but school just started so mine not be correct.
Ideas: maybe something about evolution or how everyone once believed everything revolved around the earth.
Ideas: maybe something about evolution or how everyone once believed everything revolved around the earth.