Match List-I with List-II andList IList IIA. Appalachian1. EnglandB. Lancashire2. GermanyC. Ruhr3. RussiaD. Kuzbass4. USAchoose the correct answer by using the code given below the lists. List-I (Coal Field) List - II (Country)Code: A B C D

1. A

   4 1 2 3

   4 1 2 3. Appalachian — USA; Lancashire — England; Ruhr — Germany; Kuzbass (Kuznetsk) — Russia.

2. B

   1 4 3 2

   1 4 3 2. Sends Appalachian to England and Lancashire to the USA.

3. C

   1 4 2 3

   1 4 2 3. Same Appalachian–England swap; Ruhr–Germany happens to sit right.

4. D

   4 1 3 2

   4 1 3 2. Appalachian and Lancashire are right; Kuzbass is swapped with Ruhr.

Summary. Official key is (a) 4 1 2 3. USA, England, Germany, Russia in that List-I order. Also note: Ruhr — Rhine-Westphalia coal; German heavy industry; Kuzbass — Kuznetsk basin, south-west Siberia, Russia; Appalachian coal — Pennsylvania–West Virginia–Kentucky belt, USA; Lancashire coalfield — Historic English mill-town coal, now largely closed.