Prev post1 of 3Next Hives, also known as urticaria, are defined as a sudden outbreak of swollen, pale-red bumps or plaques (welts) on the skin. Hives are usually caused by an allergic reaction to a substance that you encountered or swallowed. Due to the allergic reaction, your body releases a protein called histamine, which in
This photo gave Information on causes and effects of global warming. Define facts and controversy of global warming. How we can stop natural causes of global warming. Explain research and history on this issue.