What do search engines base their searches on? Check all that apply.keywordsquestionsuser namesphrasestimeliness
X primary sourcesecondary source✔ tertiary source
X primary source✔ secondary sourcetertiary source
primary source✔ secondary sourceX tertiary source
Decide whether you should use a primary, secondary, or tertiary source for each research task.
Decide whether you should use a primary, secondary, or tertiary source for each research task.
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