The majority of earthquakes and volcanic activity occur along plate boundaries
a. True
b. False
True
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This seismic hazards deals with the vibrations caused by earthquakes.
This seismic hazards deals with the vibrations caused by earthquakes.
- After shocks
- Ground shaking
- Landslides
- Liquefaction
- Tsunami
A sedimentary rock that consists of broken pieces of rocks and/or minerals bound by cement into a rigid framework is called:
a) crystalline b) clastic c) biochemical d) organic e) recycled
The principle of cross-cutting relationship states that:
a) the older layers in an undeformed sedimentary rock sequence will be at or near the bottom of the sequence b) all sedimentary rock layers were originally horizontal c) if fragments of rock "A" is found within rock "B", then rock "A" is older than rock "B" d) all sedimentary rock layers originally extended in all directions e) if a sequence of sedimentary rock is disrupted by a fault or an igneous intrusion, then the fault or the igneous intrusion is younger than the disrupted layers
Which of the following is a secondary pollutant?
A) Lead B) Sulfuric acid C) Sulfur dioxide D) Carbon monoxide