As you research, verify the facts you find by consulting
a. multiple sources
b. your english teacher
c. the encyclopedia
d. the preface

As you research, verify the facts you find by consulting a. multiple sources.

By using multiple sources, you can verify whether the facts you have are correct or incorrect. Multiple sources can also offer the origins and developments that became the facts you have gathered.

Before the time of computers, multiple sources come in the form of text books, research papers, encyclopedias, newspapers, and media and personal interviews. Nowadays, doing research simply involves searching the internet about the facts you are researching about.