Which of the following statements is the best description of the per capita generation of solid waste between 1960 and 2010?
ANSWER:
a. Between 1960 and 2010, per capita generation was relatively constant.
b. Between 1960 and 2010, per capita generation of solid waste increased steadily.
c. Between 1960 and 2000, per capita generation increased.
After 2000, per capita generation declined.
d. Between 1960 and 1990, per capita generation increased at a steady rate. After 1990, per capita generation continued to increase, but at a slower rate.