rock on mars
Maybe a polar cap?
Yes. Mars is made of rock.
Mars is mostly rock.
Mars is made of rock.
That is true, Mars is made mostly of rock.
Bruno Mars is not a rock star. He is a pop singer. If he was a rock star he would sing rock.
It is mostly rock.
mars is made mostly of rock
rock.
mars is mostly made of rock because it is a rock planet. earth,mercury, and venus are all rock planets
No Mars is composed mostly of rock. The atmosphere is very thin.
Mars is the fourth rock from the sun.
rock.