MCQOPTIONS
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| 1. |
Which of the following pair(s) is/are matched? Theory / Law Scientist 1. Continental Drift Edwin Hubble 2. Expansion of the Universe Alfred Wegner 3. Photoelectric Effect Albert Einstein |
| A. | 2 and 3 |
| B. | only 3 |
| C. | only 2 |
| D. | only 1 |
| Answer» B. only 3 | |