Which one of the following conditions is most relevant for the presence of life on Mars?
✓ Correct answer: c) Occurrence of ice caps and frozen water
ExplanationThe presence of ice caps and frozen water is the most critical condition for the potential existence of life on Mars.Wa- ter is fundamental for life as we know it.The presence of frozen water (ice caps) on Mars suggests the possibility of liquid water under certain conditions, making it the most crucial factor for life.Recent discoveries of underground water reservoirs beneath the Martian surface further highlight its importance.Mars, the fourth planet from the Sun, is often called the “Red Planet” due to its iron-rich, reddish surface.It has a thin atmo- sphere primarily composed of carbon dioxide, with traces of ni- trogen and argon.Mars has polar ice caps, large volcanoes like Olympus Mons, and a canyon system known as Valles Marineris.The planet experiences seasons, dust storms, and temperature fluctuations.Scientific interest in Mars stems from evidence of ancient rivers, lakes, and possible subsurface water, making it a key target in the search for past or present life.20
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