Answer:
18. The grid lines point to a Grid North, varying slightly from True North. This variation is smallest along the central meridian (vertical line) of the map, and greatest at the map edges. The difference between grid north and true north is very small and for most navigation purposes can almost always be ignored.
19. Most military maps will display the declination diagram in the lower margin. Some maps may not display the declination diagram and will only list the declination information as a note in the map margin. The G-M angle value is the size of the angle between grid north and magnetic north.
20. Must be oriented
Oh and "EVERYONE IT IS TIME TO RISE UP AND TAKE DOWN THE MODS. I had only had my account for six days and it got removed. If you are tired of your answers always getting taken down copy this question and post it as many times as you can. We will NOT stand for this. If you get banned make another account. If they take down your question post it again. Mods, listen to me and listen well WE HAVE HAD ENOUGH."
Whoop!Whoop! sir yes sir╰（‵□′）╯┗|｀O′|┛(ノ｀Д)ノ╰（‵□′）╯ (╯‵□′)╯︵┻━┻┻━┻ ︵ ヽ(`Д´)ﾉ︵ ┻━┻ (╯°□°）╯︵ ┻━┻ (ヘ･_･)ヘ┳━┳ ┌( ಠ_ಠ)┘ ಠ﹏ಠ ಠ╭╮ಠ
ok I'm done
A concerto grosso was a type of concerto common in the <em>baroque</em> era.
