YDS CÜMLE ATMA / TEST 2 35. Soru

35.

(I) Scientists have long thought that there is no
liquid water on the surface of Mars. (II)
Olympos Mons, the largest volcano on Mars, is
thought to be extinct. (III) However, recent
photos indicate that there might be some water
near the surface. (IV) Researches indicate the
effects of ancient waterways upon the
landscape. (V) There are many dry rivers and
lakes complete with huge inflow and outflow
channels.