I think the correct answers from the choices listed above are the second option and the last option. <span>The amount of sunlight that reaches the earth's surface depends on the time of day and weather. Hope this answers the question. Have a nice day.</span>
<span>Water on Mars exists today almost entirely as ice, though it also exists in small quantities as vapor in the atmosphere and occasionally as low-volume liquid brines in shallow Martian soil. The only place where water ice is visible at the surface is at the north polar ice cap.</span>
