Instructions: Choose one answer from each pair of selections. A tornado that completely demolishes a home and sweeps it off its foundation would likely have an EF0 | EF5 rating on the Enhanced Fujita Scale
EF5
Environmental & Atmospheric Sciences
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For electric power that costs 10 cents per kilowatt hour, the cost of operating a 110-V heater that uses 20 A for 10 hours is
A. $2.20. B. $5.50. C. $0.22. D. $0.55.
Environmental & Atmospheric Sciences
Faults that penetrate the surface may show a ____
A)fault scarp B)graben C)horst D)fault block E)fault breccia
Environmental & Atmospheric Sciences
What is the main impediment to widespread use of geothermal energy to heat and cool buildings?
A. high cost B. limited geographic availability C. lack of technological understanding D. high environmental impact
Environmental & Atmospheric Sciences
Which is an igneous rock?
- Basalt
- Quartz
- Limestone
- Marble
Environmental & Atmospheric Sciences