Match the components of air listed in Column A with their properties or uses in Column B.
| Column A | Column B | ||
| I. | Nitrogen | A. | Supports burning |
| II. | Oxygen | B. | Major component, does not support burning |
| III. | Carbon Dioxide | C. | Used by plants to make their food |
| IV. | Dust and Smoke | D. | Can cause suffocation; visible in sunlight beam |
1
I-B, II-A, III-C, IV-D
2
I-D, II-B, III-C, IV-A
3
I-A, II-B, III-C, IV-D
4
I-C, II-A, III-D, IV-B