Provide a brief discussion of the internal structure of the Earth. What are the physical
characteristics of each of the layers? What caused the “differentiation” of the Earth? What will be an ideal response?
The student should provide a description of the internal physical and chemical layers of Earth,
including the crust, mantle, inner core, outer core, lithosphere, and asthenosphere. This
discussion should also include information about the internal heating mechanisms of Earth,
including radioactive decay and accretional energy and how these mechanisms influenced
differentiation of the original “raw material” that formed Earth.
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An example of an open-source GIS is:
A. Autodesk B. QGIS C. IDRISI D. ArcGIS
The Indo-European and Sino-Tibetan language families are spoken by approximately ________ percent of the world's population
A) 25 B) 50 C) 33 D) 66 E) 90
A particular model of hybrid car can travel 53.0 miles/gallon of gas. What is this fuel efficiency expressed in the metric system? [1 quart = 0.946 liter; 1 mile = 1.609 km]
A) 8.71 km/liter B) 20.2 km/liter C) 22.5 km/liter D) 90 km/liter
In the reaction CH2O(g) + O2(g) ? HCOOH(g) + H2O(g) which species is reducing agent?
A) CH2O(g) B) O2(g) C) HCOOH(g) D) H2O(g)