Why is it good for scientists to be skeptical?

You turn your computer on and the computer will not boot up where is something you should do to diagnose the problem?

In he example code, what does the title attribute create? a tool tip an element a source a markup

When is a chart legend used a. all the time b. whenever you are comparing data that is the same c. whenever you are comparing multiple sets of data d. only for hand-drawn charts