Who discovered that the planets revolved around the sun? a: copernicus b: lippershey c: da vinci d: gutenberg

I'm pretty sure that Copernicus discovered that, therefore your answr being A. Hope this helps :)

b. 155 enlisted men and no officers

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

give brainlest