What is the difference between additive and subtractive sculpture process?

• Which sculpture process is additive and which is subtractive?
  An additive process in art means adding material to the piece. Building a sculpture from clay is additive because you add clay. A subtractive process means subtracting material away from the piece....
  
• What is the difference between subtractive and additive color?
  This is a lengthy subject. Here's a short answer with a link to follow up on. The 3 primary colours of light (not to be confused with grade 4 art lessons and paint pigments) are red, blue and green....
  
• Explain the differences between subtractive and additive color?
  Subtractive color is the mixing of paints, dyes, inks, and natural colorants, etc. to create a range of colors; for example red and green pigments, being quite far apart, when mixed result in a dark...
  
• What is the difference between process and procedure?
  There are a number of procedures within a process. A process requries a set of procedures. It means that you take actions to get results. The actions you take are your set of procedures...
  
• What is the difference between a sculpture and a sculptor?
  A sculpture is the actual piece of art that's been made, and the sculptor is person who made it.