The figure above shows the relationship between the journey length and the cost of trip per mile. The curve becomes flatter because as the journey length increases,
A) the cost per mile increases.
B) the fall in the cost per mile becomes greater.
C) the cost per mile remains unchanged.
D) the cost per mile decreases.
E) the fall in the cost per mile becomes smaller.
Question 2
If we look at real and nominal interest rates in the United States since 1971, we see that
A) the real interest rate has almost always been less than the nominal interest rate because of inflation.
B) at times the nominal interest rate has been greater than the real interest rate and at times has been less than it.
C) the difference between the nominal and real interest rates has widened during the 1990s because of inflation.
D) the nominal interest rate has always been less than the real interest rate because of inflation.
E) both the nominal and real interest rates were negative in the highly inflationary 1970s.
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Lewis symbols,(Figure 1)
The graph shows the effect of sonic tuning of the intake manifold runners. The longer runners ...
Human Figure
Monitoring shows that many forms of air pollution have decreased
A close relationship between greenhouse gas emissions and a country’s gross domestic product