The major reason for the decline in the quality of the human diet between the Neolithic and Industrial revolutions was
a. population pressure
b. loss of knowledge concerning good nutrition
c. exhaustion of the supply of the most nutritious plants and animals
d. all of these
Question 2
What causes structural lag?
a. Rapid changes in demography, economy, or culture
b. Declining birth rates
c. Rising median age
d. Rising life expectancy
