Q: Who took the now-iconic photo of Robert Mueller, where he is in the light and those in front and behind him are in shadow? It is in almost every mention of Muller and the investigation.

ROBERT E. PRICE SR., TIGER

A: Media outlets have used similar photos by Alex Wong of Getty Images and Joshua Roberts of Reuters. The images show special counsel Mueller leaving a meeting with members of the Senate Judiciary Committee on June 21, 2017, in Washington D.C.

Q: What is the longest river in the world? Is it the Nile?

EDDIE WEBSTER, DOUGLASVILLE

A: Some experts say the Nile is the longest river in the world, while others say the Amazon is longer.

Recent studies have shown the Amazon’s source could be farther than previously thought, which would put its length at an estimated 4,325 miles, according to worldatlas.com. The Nile is 4,258 miles long, according to the website.

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