(i) Trenches are ditches dug by troops enabled soldiers. (ii) It was done to protect themselves from enemy fire. (iii) The battle of Jutland is a memorable one for Trench war fare.(iv) Trench system used in the first world war consisted of six to seven trench lines running parallel to each other.(a) (ii) and (iv) are correct (b) (i) and (ii) are correct (c) (i) and (iv) are correct (d) (iii) and (iv) are correct

(i) Trenches are ditches dug by troops enabled soldiers. (ii) It was

1.	(i) Trenches are ditches dug by troops enabled soldiers. (ii) It was done to protect themselves from enemy fire. (iii) The battle of Jutland is a memorable one for Trench war fare.(iv) Trench system used in the first world war consisted of six to seven trench lines running parallel to each other.(a) (ii) and (iv) are correct (b) (i) and (ii) are correct (c) (i) and (iv) are correct (d) (iii) and (iv) are correct
Answer» (b) (i) and (ii) are correct