Which drawing material is a type of fluid media

What types of visual art mediums are heavily based on observation?

Science always prove or disprove their explanations by

Ar 5)when providing general information about an artwork, how is the title indicated? a)"title of artwork" b)title of artwork c)title of artwork d)title of artwork 6)select the term that refers to what the artwork is made of. a)iconography b)medium c)form d)context