Studies on the effectiveness of cranberry juice for preventing or treating UTIs have produced mixed results. The red berry contains a tannin that prevents E. coli bacteria - the most common cause of urinary tract infections - from sticking to the walls of the bladder, where they can cause infection.
primary color for pigments - any of three pigments from which all colors can be obtained by mixing; the primary colors for pigments are red, blue, and yellow. primary colour for pigments. primary color, primary colour - any of three colors from which all others can be obtained by mixing.
Answer: Red, yellow, and blue are primary colors. They are the three pigment colors that cannot be made by mixing any other colors. These three colors are mixed to create all other colors and can be combined with white or black to create tints (lighter tones) and shades (darker hues) of these colors.