Physics -wave diagram

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

The ph is the a.independent variable b.the dependent variable c.control group