Answers

2016-03-15T19:24:58+08:00
The answer is B. Ground deformation.
2 3 2
2016-03-21T15:31:55+08:00
For me it all of the above because if rocks underneath are shattered this will cause seismic activity and gas output due to openings that allows gas to escape and ground deformation which most of the time produces bulging or protrusion on the ground due additional content in the area where molten material has escaped but wasn't able to find an opening
1 5 1