A. Land grant boundaries often consisted of
lines laid out by a surveyor.
b. a map drawn by the city engineer.
c. rocks, trees, mountains, or other landmarks.
d. nothing except communal land.

its c, rocks, trees, mountains, or other landmarks.

its correct on edge and its actually common since.

hope this helps

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