CBD oil is the concentrated form of Cannabidiol in a liquid form, which is heated and inhaled through an E-Cigarette, Vape Pen, or Vaporizer. CBD vape oil can be purchased in a bottle to refill your vaporizer or as a one-time use cartridge for your Vape Pen.
Analytical geometry or analytic geometry is also known as Cartesian geometry or coordinate geometry. It is a branch of mathematics which is a link between algebra and geometry. Analytical geometry deals with algebraic representation of geometrical figures. It pertains to representation of geometrical figures on a coordinate system.
A tessellation of the plane is an arrangement of polygons which cover the plane without gaps or overlapping. For example, part of a tessellation with rectangles is pictured below: A tessellation is called regular if all polygons in the tessellation are congruent regular polygons and if any two polygons in the tessellation either do not meet, share a vertex only, or share one edge.