Generally, a category needs about 100 questions before being created. See 'related questions' for more information.
yes, because engine prototype needed to be created before the laws of flight and its vehicles were created.
One quick way to find categories that need descriptions is to look at the list of recently created categories. Go to your blue toolbar on the left hand side of the screen and click "Browse Categories." On the right side of the screen will be a list of categories recently created, most of which probably don't have descriptions yet. Otherwise, visit each category page and look at the top to see if a category is needed. Remember, if you submit 50 category descriptions you get a "Green Thumb" badge on your bio page!
for gen category rank below 500 is needed
Where Were You When I Needed You was created in 1966-10.
If I Needed You was created in 1981-09.
Michael Jordan. I wish you had waited for this answer before you left 30 questions that needed to be edited.
The wet dry vacuum was created in the 1900's. They were created before the year of 2000, because they had all of the equipment they needed to create the vacuum.
You Needed Me was created on 1999-05-10.
NoWires Needed was created in 1994.
Needed Truth Magazine was created in 1888.
More Information is needed. In what category are you referring to?Fastest:animalautomobilepersonetc
After the examination of the symptoms and identify the nature disease such as blood test, imaging test, biopsies...