The definition of intricate is "very complicated or detailed."
Ex. "The painting was so intricate that it confused me"
Answer:
The imaginary line of Demarcation was drawn from the north to the south through the Atlantic Ocean, splitting it between Portugal and Spain.
There are several ways in which the growth of Alexander’s empire spread Greek culture, but the most important way was that culture was imposed wherever he went.
number 7 the latitude lines run north to south which the south and north is up and down so your answer for 7 is A
number 8 is C the exact spot and location
Hopes this helps mate.