The spacecraft that landed on Mars found
A) unambiguous signs of life.
B) liquid water on the surface.
C) a strong magnetic field.
D) lava flows.

Question

Quizplus · Accepted Answer

The question is asking what was found on Mars by the spacecraft that landed, and of the options given, the only one that was definitively found was lava flows. There is still ongoing research regarding the possibility of life and liquid water on Mars, but at the time of the spacecraft landing, there were no unambiguous signs of either. The presence of a strong magnetic field on Mars is still up for debate and is being studied by scientists.

The Spacecraft That Landed on Mars Found