MCQ
A – Quartzite, a metamorphic rock, is harder than steel.
R – It does not easily react physically but is easily fractured by chemical weathering.
R – It does not easily react physically but is easily fractured by chemical weathering.
- AOnly A is correct.
- BOnly R is correct.
- CBoth A and R are correct and R is the correct explanation of A.
- DBoth A and R are correct but R is not the correct explanation of A.