Gather Information and Assess Credibility Practice Test

Chen is comparing two sources for a report on earthquakes:

Source A: A U.S. Geological Survey (USGS) page explaining earthquake magnitude and intensity, updated 2022.

Source B: A 2008 forum post where users argue about whether earthquakes are caused by "secret machines," with no evidence or expert names.

Which statement best compares the credibility of the two sources?

Chen is researching: “How do wildfires affect air quality?” He is choosing between two sources.

Source A: A 2023 article from the U.S. Environmental Protection Agency (EPA) website explaining particulate matter (PM2.5), with data links and a publication date.

Source B: A 2020 social media thread by an influencer with no science training, claiming “smoke is basically harmless” and providing no evidence.

Which choice BEST compares the credibility of these sources?