Consider the following pairs:
| Term | About |
|
1. Clay |
Changes into slate |
|
2. Core |
Innermost layer |
|
3. Marble |
Sedimentary rock |
|
4. Sial |
Mineral constituents of Oceanic crust |
How many pairs given above are correctly matched?
1
Only one pair
2
Only two pairs
3
Only three pairs
4
All the four pair