1.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.Liquid water cannot exist on the surface of Mars as to low (1)/atmospheric pressure, which is less than 1% of Earth’s, (2)/except at the lowest elevations for short periods. (3)/No error (4)

A. 1
B. 2
C. 3
D. 4
Answer» B. 2


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