Plantar Fasciitis Symptoms and Signs. Plantar fasciitis causes pain and tenderness of the bottom of the foot. The tenderness is usually toward the heel, but the entire sole of the foot can be affected.
Additive color mixing is the kind of mixing you get if you overlap spotlights in a dark room, as illustrated at left. The commonly used additive primary colors are red, green and blue, and if you overlap all three in effectively equal mixture, you get white light as shown at the center.
There is a wide spectrum from safe additives such as say pectin or citric acid in jam to additives that have mixed opinions on their safety such as Senomyx, which can get away with just being called and âartificial flavor.â. In the world of jam, pectin and citric acid are the primary additives.