An electrical device that is "grounded" has
A. no potential difference between it and the ground.
B. an infinite potential difference between it and the ground.
C. low voltage.
D. a firm connection to the ground.
Answer: A
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What beneficial effects might Russia see from climate change?
A) Greater contact between wildlife and indigenous human populations in northern Russia as wildlife is forced to widen its search for food. B) Navigation may extend throughout the year in Russia's northern waterways. C) Increases in rainfall across the fertile regions of western Russia. D) Thawing of Siberian permafrost may cause mud flows and erosion. E) Rising sea levels along the Black and Baltic Seas.
A prairie differs from a steppe in that the grasses are
A) intolerant to freezes in a prairie. B) only in riparian zones in a prairie. C) taller in a prairie. D) in drier areas in a prairie.
Which of the statements below is the best explanation for the pattern of diffusion shown in the maps?
A) Early migrants were reluctant to move into the countryside since the city was all they knew. B) African Americans first migrated to neighborhoods where other African Americans lived. C) Baltimore passed a law in 1940 allowing African Americans to migrate. D) Growth resulted from natural increase in the African American population. E) Baltimore was the destination of large numbers of refugees.
For each of the localities described, determine whether the dominant deformation is due to tension, compression, or shear
• The fold and thrust belt in Wyoming • The normal-faulted basin and range region in Nevada • The right-lateral San Andreas Fault in California What will be an ideal response?