Soil. Temperate grasslands have soils that are nutrient-rich from the growth and decay of deep, many-branched grass roots. The rotted roots hold the soil together and provide a food source for living plants.he major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America.
A set of encyclopedias. The definition of an encyclopedia is defined as a book or an electronic database with general knowledge on a range of topics. The Encyclopedia Britannica is an example of an encyclopedia. encyclopedia.
World Book Encyclopedia. The World Book Encyclopedia is an encyclopedia published in the United States. The encyclopedia was designed to cover major areas of knowledge uniformly, but it shows particular strength in scientific, technical, and medical subjects. It is based in Chicago, Illinois. The first edition (1917) contained eight volumes.