Match List I with List II correctly and select your answer using the codes given below : 

List I Cement Industry	List II District
(a) Madhukkarai	1. Salem
(b) Dalmiapuram	2. Tirunelveli
(c) Sankagiri	3. Trichirapalli
(d) Thalaiyuthu	4. Coimbatore

Arrange the hills from North to South :

Aryankavu pass of Tamil Nadu is situated in 

National Highway 7 connects Kanniyakumari with

Three layers of continental crust from top to bottom are

1. Sedimentary
2. Granite layer
3. Basaltic layer

The mercury's period of revolution round the sun