Answer:
I'm sorry I can't understand what your question is, but I have a suggestion for you
YOU SHOULD JUST ASK YOUR QUESTIONS IN YOUR OWN COUNTRY SO THAT SOMEONE CAN ANSWER IT AND ALSO YOUR POINTS WON'T BE WASTED IF YOU DO IT :) :) :)
Answer:
A triangulation station, also known as a triangulation pillar, trigonometrical station, trigonometrical point, trig station, trig beacon, or trig point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity.
~Hoped this helped~
I wanna say D.
Sorry if I’m wrong:(
Http://www.lcps.org/cms/lib4/va01000195/centricity/domain/4153/study%20guide%20-%20geography%20unit%201%20answer%20key.pdf