Suppose that a certain atom possesses only four distinct energy levels. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit?
A. unlimited
B. six
C. three
D. four
Answer: B
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Which ethnic group of the United States can primarily be found in the south and east regions of the country, especially from Mississippi to South Carolina?
A. Asian-Americans B. Hispanic Americans C. Native Americans D. African-Americans
The carbon dioxide absorbed by plants is an example of an ________ to a forest and an ________ from the atmosphere
A) input; input B) input; output C) output; output D) output; input
Expedited flows of technology and intellectual capital into developing countries is an example of how globalization could benefit these countries and shorten the gap between developed and developing nations
Indicate whether the statement is true or false
The objective of imposing a higher pollution tax is to
A. ensure firms have pollution charge credits for all reduced emissions. B. provide incentive for firms to maintain regulation emission levels. C. provide adequate incentive for firms to reduce their emissions by more. D. ensure firms must pay the pollution charge for all reduced emissions.