MCQOPTIONS
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| 1. |
Moho discontinuity refers to a discontinuity between the _____ and _____ layers of the earth. |
| A. | Sial and Sima |
| B. | Sima and Mantle |
| C. | Sial and Mantle |
| D. | Mantle and Core |
| Answer» C. Sial and Mantle | |