The Red Waters of the Tinto River Have a PH

question 77

Multiple Choice

The red waters of the Tinto River have a pH of 1.5-3.1 ____________. (Select all that apply)

• A) As a result of the sulfur- and iron-metabolizing bacterial community composed of Leptospirullum, Acidithiobacillus, Ferroplasma, and Thermoplasma
• B) And sulfide-rich sediments similar to equatorial subsurface areas on Mars
• C) Which result in the geochemical conditions that produce Jarosite, a rare mineral also discovered on Mars
• D) Just like the microbe-rich rivers on Mars

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