Why did the discovery of water-related minerals by Mars rovers significantly change scientific models of the planet's past environment?
A
It showed that Mars once had a stable orbit very different from today, including faster rotation.B
It showed that Mars once had conditions very different from today, including liquid water.C
It showed that Mars once had magnetic fields very different from today, including stronger intensity.D
It showed that Mars once had surface features very different from today, including widespread volcanism.