Installation art is a type of art. a. conceptual b. symbolist c. horror vacui d. outsider

Installation art is a type of outsider art. Mostly arts are composed of animation, architecture, calligraphy, painting, drawing, illustration, graphic, graffiti, sculpture, photography, but not the installation. The installation art is a perfect example of an outsider art. It could be a free lance. 

Answer1 string -e (the thinnest)2nd string-b,3 string -g,4th string -d,5th string-a, 6th string- plz check the answer first good luck

The answer would be online media like a social media. it does refer to forms of different media content created publicly by the end users since 2005 and would cover how people use social media.hope this would be of .