Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson

تمرين 37

INTERPRETING GRAPHICS: The graph below shows the number of cigarettes smoked per capita per year between 1920 and 2000 and the annual incidence of lung cancer among women. Use the graph to answer the question that follows.

What was the relationship between number of cigarettes smoked and incidence of lung cancer?
F) There was no relationship between cigarette smoking and lung cancer.
G) As the number of cigarettes smoked decreased, the incidence of lung cancer increased.
H) As the number of cigarettes smoked increased, the incidence of lung cancer increased.
J) As the number of cigarettes smoked increased, the incidence of lung cancer decreased.