The horizontal wind circulation near the Earth's surface is due to the [NDA 2015-I] 1. pressure gradient. 2. frictional force. 3. coriolis force. Select the correct answer using the code give below:

The horizontal wind circulation near the Earth's surface is due to the

1.	The horizontal wind circulation near the Earth's surface is due to the [NDA 2015-I] 1. pressure gradient. 2. frictional force. 3. coriolis force. Select the correct answer using the code give below:
A.	1 only
B.	2 and 3 only
C.	1 and 3 only
D.	1, 2 and 3
Answer» D. 1, 2 and 3