(Encyclopedia)
CE5
Nitrogen cycle
nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World Putin's Party…
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…
by Mark D. Hughes photos by Carol M. Highsmith The City of New York is the largest city in the United States, and home to many of the country's most famous and recognizable landmarks.…
Record of the Year“Another Day in Paradise,” Phil CollinsAlbum of the YearBack on the Block, Quincy Jones (Qwest/Warner Bros.)Song of the Year“From a Distance,” Julie Gold, songwriterBest New…
(Encyclopedia) English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related…
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies by Category Arts and…
(Encyclopedia)
CE5
Electrical and radio symbols
electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's…
