1. A. Time, natural elements, and other forces have erased most of the early art from the Earth, so we may not ever know for certain what was the first piece of art ever created,
2. B. Prehistory is the time before writing, so without written records, we cannot tell who created the artwork or why they created the artwork.
3. C. cave paintings
4. D. ‘The cave entrances may have been hidden, and the paintings are often deep within the caves where people may be less likely to venture.
5. A. texture
6. B. hollowed-out bones
7. A. bison
8. D. Finger flutings can only be created on soft stones.
9. A. Both can be created on soft stone.
10. A. Animal details that hunters might need to know are present, such as shoulder veins drawn on some of the bison.
11. B. Prehistoric groups may have believed that the shamans could communicate with the spirits of the animals painted in the caves.
12. C. They are outlines of images on stone, wood, or other materials, where the background is carved away from the outlines so that the outlines stand out.
13. A. Both time periods are part of prehistoric times.
14. B. Clay pots were important during the Neolithic period; they weren't in the Paleolithic period
15. B. The clay pots were used for cooking, storing food, and transporting food