Which of the following combinations of processes is associated with the formation of a rift valley?

(i)Tension or compression forces

(ii)Resistance and faulting

(iii)Emergence of the middle crust of rocks

(iv) Submergence of the middle crust of rocks

• A.i, ii and iii only
• B.i, ii and iv only
• C.i, iii and iv only
• D.ii, iii and iv only
• E.i and iii only