Match the following.
| List-I | List-II |
| a. 2D | 1. Field visit |
| b. 3D | 2. Poster |
| c. Projected aid | 3. Models |
| d. Non-projected aid | 4. Films |
| 5. Bulletin boards |
A. a-2, b-3, c-4, d-1
B. a-2, b-3, c-1, d-4
C. a-2, b-3, c-5, d-4
D. a-2, b-3, c-4, d-5
Answer: Option B

How non projected aid is flims