1. Cave paintings were not officially regarded as art until......................______ ...............................2. Scientists are not always united in their views about...........................______ .............................3. Some paintings disappeared when open .............................______ ........................... .4. It was first believed that cave paintings were just ............................______ ..................................5. The theory that people lived in these caves is not supported by ..............______ ....................6. Drawings of ...............................______ ................................. a link with present-day art lessons.7. Examples found in caves outside Europe were painted ........................______ .......................... .