Confinement is the physics phenomenon that quarks cannot be isolated. The color-charged quarks are confined with other quarks by the strong interaction to form pairs or triplets so that the net color is neutral. The force between quarks increases as the distance between them increases, so no quarks can be found individually.
... females there are 96.1 males. For every 100 females age 18 and over, there are 93.9 males.
The median income for a household in the town is $68,544, and the media ...