Multiple choice general knowledge science & technology

What mineral may contain fossils that are evidence of primitive life forms on Mars?

  1. Sulfuric acid

  2. Carbonates

  3. Crystals

  4. Methan

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbonate minerals can form and preserve fossils or biosignatures of primitive life. The Spirit rover found carbonate deposits in 2010, suggesting possible past habitable conditions. Sulfuric acid destroys fossils, while crystals and methane are not minerals that contain fossils.