The earliest seismographs were designed by the Chinese nearly 2000 years ago to measure ________
A) the magnitude of an earthquake
B) the depth of an earthquake focus
C) the intensity of an earthquake
D) the direction to the earthquake focus
D
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In many areas where natural gas lines are not available, homes are heated during the winter months by furnaces that burn propane. Calculate the amount of CO2 released into the atmosphere by 100,000 homes if each house consumes on average 600 gallons of propane during this period.
What will be an ideal response?
Fossils are useful in the study of historical geology for determining relative ages of strata,
depositional environments, and evidence for evolution. Indicate whether the statement is true or false.
In contrast to folk culture, popular culture is typical of large and
A) homogeneous groups. B) heterogeneous groups. C) groups living in isolated rural areas. D) groups that have little interaction with other groups. E) groups of specialists.
Will density increase or decrease with the crystallization of a magma?