MCQOPTIONS
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| 1. |
1. Most of the diamonds foundP. are high enough to allowQ. where the pressure and temperatureR. on Earth were formed belowS. the Earth's crust in the upper mantle 6. diamonds to crystallize. |
| A. | PSRQ |
| B. | SRQP |
| C. | RSQP |
| D. | RPSQ |
| Answer» D. RPSQ | |