What is the geographical importance of the Antarctic ice sheets? anyone knows this answer? pls help me

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Which force of change to earth is caused by the movement of tectonic plates? a. erosion b. pollution c. earthquake d. wind i need and it’s 35 points so can someone plz me