1 Common triggers of an anaphylactic reaction include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex. 2  The symptoms of anaphylaxis may vary and can include hives, tongue swelling, vomiting, and even shock.  If someone is at risk, avoidance is the best form of treatment.
Ocean regions with high concentrations of phytoplankton will have shades of blue-green depending upon the type and density of the phytoplankton population there. The basic principle behind the remote sensing of ocean color from space is that the more phytoplankton is in the water, the greener it is.
As one early traveler noted, In some places it is very green, in others white and yellow, according to the color of the earth or sand at the bottom.. The waters of the Red Sea are blue, though they may appear red due to reflections of the surrounding reddish landscape or reddish coral on its seabed.