Would the damage zone be visible on good 3-D seismic data?
What will be an ideal response?
Ans: In general we are not able to see any seismic response from or image of the damage zone, although the noise generated along faults may overshadow such signals. Only wide damage zones with deformation structures that strongly alter the velocity structure of the rock may yield a seismic response strong enough that we may hope to see it on (future) high-resolution images.
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Volcanic gasses and aerosols can create an acidic smog called _______________, which poses a threat to life and health
Fill in the blank with correct word.
Between 1981 and 2009 in the United States, the annual average of fire deaths ________ and the annual average economic damage to structures due to fires ________.
A. decreased; increased B. decreased; decreased C. increased; increased D. remained flat; decreased slightly E. increased; decreased
Which of the following conditions is best suited to create an advection fog?
A) Vertically descending dry, cold air moving over a warm surface B) Vertically rising moist, warm air moving over a cold surface C) Laterally moving dry, cold air moving over a warm surface D) Laterally moving moist, warm air moving over a cold surface
The highly productive seas along the equator are the result of the tropical convergence located there.
Answer the following statement true (T) or false (F)