20. Which mineral dis Opporitumity fins present on Mars? (Axins) a) quart b) hemotite c) hafmon d) gold

The correct answer is b) hematite.

Hematite is a mineral that has been detected on Mars. It is an iron oxide mineral that is commonly found in the form of red or reddish-brown crystals or powders. Hematite is one of the minerals that has been identified in the Martian soil and rocks by various Mars rovers and orbiters. The presence of hematite on Mars suggests that the planet may have had a wet environment in the past, as hematite can form in the presence of water.