The grain of a rock is

its texture
how many layers it has
the rock's speckled appearance
how easily it fractures

they were destroyed coming out of the civil war but after he war they were booming. if you need an in-depth answer follow up with me  

down below

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;