Which of the following statements is / are correct 

1. Acid rain reacts with buildings made from limestone
2. Burning of sulphur containing coal can contribute to acid rain
3. Eutrophication is an effective measure to control pollution

Select the correct answer using the code given below :

The 'eye' of the cyclone has :

Which one of the following is the reason due to which the wind in the southern hemisphere is deflected towards its left 

Consider the following tributaries of river Brahmaputra :

1. Lohit
2. Tists
3. Subansiri
4. Sankosh

Arrange the above rivers from west to east :

Which one of the following is the cause of long-term sea-level change

Which one of the following is an example of chemical change