Literature across the curriculum involves the use of literature

within social studies, science, mathematics and other subject areas

to replace or supplement textbook reading in subject areas

to provide multiple perspectives on content and information in theme units

all of the above

Explanation:

Literature is part of the context of every textbook it makes the context of a textbook or subject area more easy to read and comprehend and also helps to pass a more distinct message if used/applied appropriately in context.

Literature across the curriculum is not used to replace or supplement textbook reading in subject areas because although literature helps to give meaning to contexts found in textbooks it cannot replace or supplement textbook reading.

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