ngotrung
02-07-2007, 12:16 AM
Geologists believe that the warning signs for a major earthquake may include sudden fluctuations in local seismic activity, tilting and other deformations of the Earths crusts, changing the measured strain across a fault zone, and varying the electrical prosperities of underground rocks.
A. changing the measured strain across a fault zone, and varying
B. changing measurements of the strain across a fault zone, and varying
C. changing the strain as measured across a fault zone, and variations of
D. changes in the measured strain across a fault zone, and variations in
E. changes in measurements of the strain across a fault zone, and variations among
A. changing the measured strain across a fault zone, and varying
B. changing measurements of the strain across a fault zone, and varying
C. changing the strain as measured across a fault zone, and variations of
D. changes in the measured strain across a fault zone, and variations in
E. changes in measurements of the strain across a fault zone, and variations among