Which of these is an example of a line of longitude?
A) 33° North
B) the equator
C) 60° North
D) the international dateline

the international dateline because it is the only one that is vertical which is longitude. The rest are all lines of latitude. A good way of remembering the difference is that longitude- long= height/ vertical line & latitude- lat rhymes with fat= horizontal line

Explanation:

the awnser is a

it is not b or c