Which of the following is NOT classified as a physical weathering process?
a. sheeting
b. freeze and thaw
c. salt weathering
d. none of the above
d
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Which of the following minerals is completely dissolved by carbonic acid?
A. Biotite B. Quartz C. Calcite D. Hematite E. Feldspar
Earthquakes, volcanic eruptions, landslides, floods, and tsunamis are all examples of:
A. earth-altering processes. B. geologic hazards. C. earth hazards. D. geospheric processes. E. geologic resources.
The present international treaty regarding Antarctica
A. prohibits radioactive-waste disposal, weapons testing, and military related activities on the continent. B. divides the land among the twelve nations claiming rights to it. C. allocates petroleum and mineral rights among the twelve original treaty signers and eleven other nations. D. All of the choices are correct.
Oceanic crust generally has a higher density than continental crust.
Indicate whether the statement is true or false