| 11. |
The original landmass, pangola split into |
|||||||
|
| 12. |
The propagation of radio signals is greatly influence by |
|||||||
|
| 13. |
The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called |
|||||||
|
| 14. |
The process that involves the eroded material being dissolved and carried along in water as individual ions is called |
|||||||
|
| 15. |
The planets with no natural satellites (reported so far) are |
|||||||
|