1 Anaphylaxis is the most severe allergic reaction and is potentially life threatening. 2  Anaphylaxis is rare. The vast majority of people will never have an anaphylactic reaction.  Common triggers of an anaphylactic reaction include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex.
A rainbow has depth to it, all along the radius refraction angle of 45 degrees. A halo around the moon on vaporous clouds has red and magenta on the outside, the yellow is minor, green and cyan are the inside colors. The lighter area is to the inside. A moon bow is magenta, white, green, and rare.
There are three primary colors. These are Red, Yellow, and Blue. The other two colors you need to make all the colors of the rainbow are Black and White. During this webquest you will gain a greater knowledge of how to mix colors to get all the colors to draw anything you want. You will also learn how a rainbow is made. Challenge: