Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
.............. snowfield on a mountain slope reaches a depth of about 100 feet, it begins to move slowly forward under its own weight.
A.Whenever a
B.A
C.That a
D.Should a
.............. snowfield on a mountain slope reaches a depth of about 100 feet, it begins to move slowly forward under its own weight.
A.Whenever a
B.A
C.That a
D.Should a
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