Q: but it is virtually covered by a dome-shaped P Antarctica is a continent Q nearly twice as large as Australia R ice sheet nearly 2 miles thick S
(a)Q R P S
(b)S P R Q
(c)Q S P R
(d)S Q R P
Answer pending verification
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Q: but it is virtually covered by a dome-shaped P Antarctica is a continent Q nearly twice as large as Australia R ice sheet nearly 2 miles thick S