Question

What can be concluded from this graph?

Removing lead from gasoline in the 1970s was an ineffective policy regulation. There is a correlation between blood lead levels and the use of lead in fuel. People should strongly minimize their exposure to lead while filling their gas tanks.
Running errands without consolidating trips does not affect lead exposure.

Answer 1

There is a correlation between blood lead levels and the use of lead in fuel.

Answer 2

There is a correlation between blood lead levels and the use of lead in fuel.

Step-by-step explanation:

I just did it.