Rearrange the jumbled parts of the sentences and mark your response accordingly.
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)

Correct option is A

Explanation:
· Q (Antarctica is a continent): Introduces Antarctica.
· R (nearly twice as large as Australia): Provides a comparative size description.
· P (but it is virtually covered by a dome-shaped): Adds an interesting fact about its surface.
· S (ice sheet nearly 2 miles thick): Completes the description with specifics.
Complete Sentence:
Antarctica is a continent nearly twice as large as Australia but it is virtually covered by a dome-shaped ice sheet nearly 2 miles thick.