In each case, we use the most recent and comprehensive data
available. The energy section draws on 1998 data on travel by
private and public transportation, because 1998 is the latest year
for which data on energy consumption by private vehicles is
available (1999 data on energy use by public transportation
systems is available).
What should be added to the entire document to enable one to evaluate
the accuracy of this segment?
A)
The year the document was published.
B) How often data on energy use is available.
The year the document was first published and how
many states provided data.
The year the document was published and how often
data on energy use is available.