Which of the following statements is correct? (check all that apply)
If liquid water is not stable on the surface of Mars, liquid CO2 is definitely not stable.
If liquid CO2 is not stable on the surface of Mars, liquid water is definitely not stable.
If liquid water is stable on the surface of Mars, liquid CO2 must also be stable.
If liquid CO2 is stable on the surface of Mars, liquid water must also be stable.