original documents or objects used during internet research are known as\nboolean sources.\nprimary…

Brief Explanations:

Primary sources are original documents or objects. They provide first - hand information from the time period or event in question, which is applicable to Internet research as well. Boolean sources are related to logical search operations. Secondary sources analyze or interpret primary sources. Tertiary sources are usually compilations of secondary and primary sources.

Answer:

B. primary sources