A: what are you doing? B: I'm just looking at this map of the world. I'm preparing for a geography class. A: there are no countries marked on the map. B; no, there aren't. this map just show the geographical features. Look at the Himalayan plateau with the highest peaks in the world. A: the thing that I find most surprising is that most of the world is covered with water. Compared to the oceans, most countries are tiny. B; I find it incredible how millions of years of volcanic activity have created mountains thousands of metres tall. A; rivers have created deep valleys and canyons like the grand canyon. B: the oceans and landscapes all influence our climate. A; it's all so interesting. I'll have to find more information about it on the internet. Or perhaps I should try and attend your geography class.