What is the main component of limestone?
A. Pyrite
B. Calcite
C. Quartz
D. Olivine
Answer: B
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Chlorofluorocarbons are compounds that were not appreciably present in the atmosphere before 1950 and have a significant role in catalyzing decomposition of stratospheric ozone
Indicate whether the statement is true or false
Which of the following is the greenhouse gas that has increased in concentration, at least partly due to deforestation?
A. water vapour B. carbon dioxide C. ozone D. chlorofluorocarbons
Determine the approximate amount of visible vertical displacement along each of the three fault scarps at their intersection with line AB (to determine the amount of visible displacement, measure the height [relief] of each fault scarp; it may be easiest to count the number of contour lines shown on each scarp to determine the elevation change).
The following questions are based on the “Mt. Dome, California,” quadrangle (Map T-24; enlarged to scale 1:48,000; contour interval 40 feet) and the stereogram of the same region (Figure 36-5; north is to the left side of the page). Three prominent fault scarps can be seen running north to south across the map, and will be referred to as the “western” fault, the “central” fault, and the “eastern” fault. These fault scarps are the result of normal faulting (41°49'39"N, 121°33'15"W). Western Fault: _______ feet Central Fault: _______ feet Eastern Fault: ________ feet
The process by which individuals and groups try to influence the decisions and policies of governments is
a. economics b. resource management c. politics d. ethics e. all of these answers