question_answer

Arrange the following Himalyan vegetation types in the descending order on the basis of the altitude, beginning from the highest:

1. Coniferous forests	2. Alpine vegetation
3. Tropical forests	4. Evergreen forests

Select the correct answer using the code given below:

A)  1 - 2 - 4 - 3                  

B)  1 - 2 - 3 - 4

C)  2 - 1 - 4 - 3      

D)  2 - 1 - 3 - 4

E)  None of these