How did Seurat create his tonal paintings?

How does the life cycle a turtle differ from the garter snake? What are the names of all of the cities in Tennessee? Why is the yellow house paint significant to Jeannette in the glass castle? How do you repair a hydrolic jack that fails to lift? How do you know it's not the gasket and just not the sensor out? What is the name of the blonde girl who walks the darts players onto stage at the Alexandra palace? Why were the boys so eager to paint the fence? Combination color for violet? You have a 1992 Dodge Caravan and there are times when after driving someplace and shutting it off it won't start back up If you let it sit for an hour or so it starts back up immediately new battery? Do earthworms have exoskeletons? If you have a fever of 100 or more for more than three days should you go to the hospital? Can you pay a security deposit then move in and prorate later in the month ie Pay security deposit on the first to secure the home then move in on the middle of the month and pro rate? What is a chef palette knife? Describe the effects and evidence of Earth's magnetic field? How many pictures did ansel Adam create? How does a Pringle Pinhole Camera work? I can draw things but when i try grifedy it's hard to just think of what and how to draw grifedy? What is cross bracing? Did Paul Gauguin use oil pastels? How often should you water a Zygo cactus?

How did Seurat create his tonal paintings?