A lamp rated 23W 120V means that it will deliver 23 W
A. whether or not it is connected to 120 V.
B. when the voltage across it is 120 V.
C. as long as the current is ac.
D. none of the above
Answer: B
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The source of phosphate in the phosphorous cycle is the atmosphere.
Answer the following statement true (T) or false (F)
The Gross Domestic Product (GDP) of a region or country includes the total value (in a given year) of all but which of the following?
A) foodstuffs produced in the country B) services produced in the country C) machinery produced in the country D) profits from abroad (overseas) E) both foodstuffs and services produced in the country.
The Trellis drainage pattern shown below develops ________.
a. in areas of relatively uniform surface b. materials on highly jointed bedrock c. on isolated volcanic cones or domes d. in areas of alternating weak and resistant bedrock e. in areas of folded and fractured domes
The oceanic climate region that is characterized by sea ice coverage in the winter and open water (but cold) in the summer is ________
A) polar B) subpolar C) temperate D) subtropical E) tropical