Rearrange the following parts in the correct sequence to form a meaningful sentence:-

(A) if life exists on Mars, it is most likely
(B) in the planet's permafrost or lichens
(C) to be in the form of bacteria buried deep
(D) growing within rocks, say scientists from NASA

Choose the correct answer from the options given below:-

(A), (C), (B), (D)

The correct answer is Option (1) → (A), (C), (B), (D)

(A) if life exists on Mars, it is most likely
(C) to be in the form of bacteria buried deep
(B) in the planet's permafrost or lichens
(D) growing within rocks, say scientists from NASA

Full sentence: If life exists on Mars, it is most likely to be in the form of bacteria buried deep in the planet's permafrost or lichens growing within rocks, say scientists from NASA.