The answer is D. They are realistic and show the American West. The reason is because, well, that is what Albert Bierstadt painted. Albert was from Germany, but he made several journeys to the west and made paintings of what he saw.
Answer:
some more trees
Explanation:
and and flowers and anything related to nature and saving the earth
They allow you to change the pitch of the strings
Answer:
Mosaic
Explanation: The use of tiles as a medium would point to the artwork being called a mosaic. Tessera is another name for the tiles used in a mosaic.