Is it common knowledge, or must it be documented? Choose common knowledge or needs documentation on the line before each example. A laptop computer is more portable than a desktop computer. One of the themes in I Heard the Owl Call My Name is the dying of the tribe’s way of life. Cell phones communicate using satellites orbiting the earth. Robert Frost wrote poetry. "Once upon a midnight dreary, while I pondered, weak and weary," a scientist’s opinion of the global warming issue