MCQOPTIONS
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| 1. |
Which of the following statements about our solar system is correct? |
| A. | Earth is the densest of all the planets. |
| B. | The main element in the composition of the earth is silicon |
| C. | The Sun contains 75% of the mass of the Solar System |
| D. | The diameter of the Sun is 190 times that of the Earth |
| Answer» B. The main element in the composition of the earth is silicon | |