Generally, no. When 'north' is used as noun ("towards the north"), adjective ("the north end of the building") or adverb ("the arrow was fired north"), "north" is not capitalised.
When used as part of a proper-noun or place-name, it should be capitalised, such as in "North Pole" or "North America".
No, coral does not need to be capitalized.
The word evolution does not need to be capitalized.
No, it doesn't need to be capitalized.
No, circa does not need to be capitalized.
No, kinetic energy doesn't need to be capitalized.
As a rule, Great Lakes is capitalized, yes.
No, coral does not need to be capitalized.
The word evolution does not need to be capitalized.
Yes, "North" in "North Mississippi" should be capitalized because it is part of the proper noun that specifies a specific location within Mississippi.
No, it doesn't need to be capitalized.
No, it shouldn't be capitalized.
No, circa does not need to be capitalized.
No, kinetic energy doesn't need to be capitalized.
Yes it should be capitalized.
No. Queries do not need to be capitalized.
it does not need to be capitilized.
Yes, acronyms are typically capitalized.