Match the particle morphologies in Group 1 with the powder production methods in Group 2.

Group-1	Group-2
P. Superalloy powder with rounded morphology	1. Carbonyl process
Q. Monosieed spherical Ta powder	2. Gas atomisation
R. Fe powder with onion peel structure	3. Oxide reduction
S. Irregularly shaped W powder	4. Rotating electrode process

A. P-2, Q-1, R-4, S-3

B. P-1, Q-4, R-3, S-2

C. P-2, Q-4, R-1, S-3

D. P-4, Q-1, R-2, S-3

Answer: Option B