Based on your observations in question 7a, how important were volcanic eruptions in the overall temperature patterns of these cities over the last century?
The question is based on Figure 24-6, a chart showing average annual temperature from 1905 to 2015 in three U.S. cities: Nome, Alaska; Bozeman, Montana; and Tucson, Arizona.
What will be an ideal response?
Other factors appear to be more important.
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The 2004 Indonesian/Indian Ocean tsunami came as a complete surprise to scientists working in the area
Indicate whether the statement is true or false
Based on the composition of the magma that erupted to form the volcanoes, which of the following statement(s) would most likely be true?
a. The magma that erupted contained very little gas b. The magma that erupted contained a lot of gas c. The eruptions were very explosive d. The eruptions were non-explosive e. The erupting magma had a high viscosity f. The erupting magma had a low viscosity
At divergent plate boundaries,
a. two plates move away from each other. b. one plate remains stationary while the other plate moves away from it. c. two plates more laterally past each other. d. two plates move towards each other. e. one plate remains stationary while the other plate moves towards it.
A chemist has a sample which is known to be a solution. Which of the following might be used to separate the components of the solution?
A) distillation B) filtration C) either a or b D) neither a nor b