What is one example of a primary source? A. a book by a historian
B. a magazine article
C. The constitution
D. A textbook

A book by a historian

hope that helps uh..☺

do but i don't go there

explanation:

btw this is in middle school stuff lol

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