since the 1950s, air pollution and robberies have increased. the conclusion that air pollution causes…

since the 1950s, air pollution and robberies have increased. the conclusion that air pollution causes robberies is\na not justifiable, because population is another variable.\nb justifiable, because poor air quality affects good judgement.\nc justifiable, because there is a weak correlation between air pollution and robberies.\nd justifiable, because there is a complementary correlation between air pollution and robberies.
Answer
Answer:
A. not justifiable, because population is another variable.
Brief Explanations:
Just because two variables (air - pollution and robberies) have increased together since the 1950s doesn't mean one causes the other. There could be a third - variable (like population growth) influencing both, so the conclusion that air pollution causes robberies is not justifiable.