Categories have to be requested. If there are enough questions about a topic, then a category for them can be created. New categories are being suggested and created all of the time. So you could suggest it as a category.
Just like any other orientation, asexuality is something we are born with. It is not caused.
subcategory
Usually if you add a question to the subcategory of a main category, it automatically removes itself from the main category. You don't *have* to remove questions from main categories if you add them to a subcategory, but doing so would make the site a little more organised and less cluttered.
Yes, in general. A category and a subcategory are practically the same in terms of why we would add one to the site. In one specific instance (adding a top-level category), it is much more difficult to get one added, so adding a subcategory is definitely easier in that case.
is 422.0 a category, subcategory, or subclassification?
Just because there is a subcategory entitled "Mormon Trail" doesn't prove that this site is run by Mormons. This site has thousands of contributors and Supervisors from all over the world, and of various religions. Categories are created by people noticing that many questions have been asked about that topic. Because there are many questions in that fit under that category, the category is thus created.
No, not yet. But when there are enough questions on the topic, a subcategory might certainly be opened.
is code 986 a category, subcategory, or subclassification
is code 986 a category, subcategory, or subclassification
No, there is no limit to the amount of questions per category or subcategory.
The subcategory called "English to Latin" can be found here:http://wiki.answers.com/Q/FAQ/4109
There is a subcategory for Super Smash Bros at this link:http://wiki.answers.com/Q/FAQ/3437