When economists measure opportunity cost to determine the true value of economic decisions, they consider both the
a. environmental and human value.
b. monetary and resource value.
c. environmental and resource value.
d. monetary and human value.

answer; i do believe its (b) 12.5 years of age;

the answer is in the us third parties have yet to win the presidency hope this ! can you mark brainliest?

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.