Recall the Application About the Best Speed at Which to Sail

Multiple Choice

Recall the Application about the best speed at which to sail an ocean cargo ship to answer the following question(s) .
-The use of seat belts and other automobile safety features making bicycling more hazardous can be explained by the economic concept known as

A) the real-nominal principle.
B) the marginal principle.
C) the principle of voluntary exchange.
D) the principle of diminishing returns.