Bark paintings are produced from what kind of trees?

Bark painting is a type of australian aboriginal art style that is made in stringybark.

Explanation:

To understand this answer we need to analyze the context. First of all, Stringybark can be found in many eucalyptus trees. Which are very common in Australia, so we have two main reasons for it to be used as the main and most common base resource. The first one being the context availability and the second the properties it has allowed it to be the ideal material. It is very important to remember that it can be found in many types of eucalyptus.

they are often in theme and variations

romare bearden worked with many types of media which includes cartoons, oils and collages. basically, the use of collage him create emotionally affecting images hence back then he had struggled with his two artistic sides as a student of literature and of artistic traditions and being a black human being which involves very real experiences, fugrative and concrete.thus through the use of collage expressed or showed how his art/work became more representational and more overtly socially concious. he showed how not only were african-american rights moving forward but so was his socially concious art and by then his works became generally considered as best works in 1964.