Meta tags can be used to describe the contents of the page: <meta name=description content=The Federal Aviation Administration is an operating mode of the U.S. Department of Transportation.>. In this example, the meta element describes the contents of a web page.
Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rotting of harvested crops in storage or transport is similar to the rots of growing plants; both are caused by bacteria and fungi.
Infectious diseases are caused by small microbes invisible to the eye. The microbes include bacteria, protozoans, fungi, yeast and virus. Of them bacteria and protozoans are the most common disease causing agents. Bacteria cause disease both in plants and animals.While protozoans cause disease only in animals and humans. They are widely rampant and very frequent in causing disease among the public. Some of them infect seasonally especially during rainy season, winters etc.f them bacteria and protozoans are the most common disease causing agents. Bacteria cause disease both in plants and animals. While protozoans cause disease only in animals and humans. They are widely rampant and very frequent in causing disease among the public.