Why don't we have mountain as tall as olympus mons found on mars on earth?

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

What body of water is the second cataract of the nile river submerged under

Plz 98 points so i need 5 paragraphs of a fake article for the threat of pollution in asia i have examples look at those first and i would enjoy if you had word or grammerly and did it on there you very much