What is the best way to check the reliability and validity of a resource? a). determine the resources original medium of production b). analyze the author’s education and professional background c). establish how many years separate each resource’s publication d). investigate the main idea of each resource you discover

B) analyze the author’s education and professional background.

The best way to check the validity and reliability of a resource is by analyzing the author's education and professional background. Someone who is educated in the topic that is being discussed is more likely to be objective, and to have a deep understanding of what he is saying. On the other hand, if someone is not educated in a particular topic, he is more likely to rely on false information or make wrong assumptions.

not concrete, existing in thought or as an idea but not having a physical or concrete existence

correct answers:

c. they use panels.

d. they include images and words.

e. they contain gutters.