Sulfonamides What are Sulfonamides. Sulfonamides are a group of man-made (synthetic) medicines that contain the sulfonamide chemical group. They are also called sulfa drugs (sometimes spelled as sulpha drugs or sulphonamides). Sulfanilamide was the first sulfonamide developed in 1906, although it was not used as an antimicrobial until the late 1930s.
Steam rising from the Nesjavellir Geothermal Power Station in Iceland. Geothermal energy (from the Greek roots geo, meaning earth, and thermos, meaning heat) is energy made by heat inside the Earth's crust. It's clean and sustainable.Although the Sun does heat the surface of the Earth, heat from inside the Earth is not caused by the Sun.team rising from the Nesjavellir Geothermal Power Station in Iceland. Geothermal energy (from the Greek roots geo, meaning earth, and thermos, meaning heat) is energy made by heat inside the Earth's crust. It's clean and sustainable.
Geothermal energy represents the energy that comes from the inside Earth in the form of heat. It is the result of transfer of features of water makes its way to the surface and how heat interacts with the Earthâs interior areas.What results in the end, are steam and hot water.isadvantages of geothermal energy. As a brief history, geothermal hot springs have been used in past centuries for washing and heating homes, in 1904 the first recorded use in the production of electricity (a generator to power four light bulbs). From 1911 to 1958 there was only one geothermal power plant.