Consider the following conditions favourable for the formation and intensification of Tropical Storms : 

1. Presence of the Coriolis force 

2. Upper divergence above the sea level system 

3. High variations in the vertical wind speed 

Which of the conditions given above is/are correct ? 

Which of the following factors influence the ocean currents ?

1. Coriolis force 

2. Gravity 

3. Heating by solar energy  

4. Wind 

Select the answer using the code given  below : 

Which of the following is/are warm ocean current(s) ?  

1. Alaska Current 

2. Agulhas Current 

3. Falkland Current  

4. West Australian Current 

Select the answer using the code given below : 

State of Assam shares borders with how many other countries and Indian states respectively ?