A device that draws 0.8 A when connected to 120 V has a power rating of
A. 12 W.
B. 60 W.
C. 15 W.
D. 96 W.
Answer: D
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Between 1960 and 2010, atmospheric greenhouse CO2 has increased by
A. 80 ppm. B. 320 ppm. C. 400 ppm.
Though the U.S. is a signatory to the Kyoto Protocol, the U.S. Congress never ratified it
Indicate whether the statement is true or false
The safety factor for landslides is
A) the degree to which engineered structures have been installed to prevent landslides B) the ratio of resisting to driving forces C) the influence of changing climate on landslide hazards D) the length of time that is likely to pass before a major landslide
Which of the following statements is true regarding high or low pressure for a parcel of air at the surface?
A. lower temperature, higher density, cold air rises, higher pressure at surface B. lower temperature, higher density, cold air sinks, higher pressure at surface C. higher temperature, higher density, warmer air rises, lower pressure at surface D. higher temperature, lower density, warmer air rises, higher pressure at surface