Q. Which of the following is the correct sequence of the regions of sun as one moves from its core to the surface?
1. Photosphere
2. Chromospheres
3. Convection zone
4. Corona
Choose the Correct Option:

• (A) 1,2, 3,4
• (B) 1,3, 4,2
• (C) 2,3, 4,1
• (D) 2,1, 3,4