Submitted by khenkes on Tue, 01/28/2020 - 07:56
Discusses the Aztec Indians, their history, religion, language, customs, and final days.
Submitted by khenkes on Tue, 01/28/2020 - 07:56
Discusses the Aztec Indians, their history, religion, language, customs, and final days.
Describes what radiation is, its sources and uses, and the dangers of radiation exposure from nuclear bombs and power plant leaks.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Examines the political situation in America at the time of the troubles between England and her colonies there and describes how the Declaration of Independence was written and accepted.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Discusses the Aztec Indians, their history, religion, language, customs, and final days.
Submitted by khenkes on Wed, 08/09/2017 - 11:25
Discusses the Earth as a planet and describes its temperature, movements in space, and other characteristics.
Traces the development of the modern computer from the abacus and early card punch machines, introduces the basic principles of computer technology, and emphasizes the role of computers in our complex society.
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