Question 3 of 10
The graph shows the percentages of different types of lightbulbs shipped to
...
Question 3 of 10
The graph shows the percentages of different types of lightbulbs shipped to
consumers in North America over three years.
Percentages of Lightbulbs Sold Annually
to Residents in North America, by Type
2015
2014
Halogen
Incandescent
Compact fluorescent
(CFL)
Light-emitting diode
(LED)
2013
0% 10% 20% 30% 40% 50% 60% 70%
Fluorescent
The demand for which kind of lightbulb has decreased during this time
Answers: 3
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An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil
Answers: 1
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